Asai, Masataro; Kajino, Hiroshi; Fukunaga, Alex; Muise, Christian Classical planning in deep latent space. (English) Zbl 07577519 J. Artif. Intell. Res. (JAIR) 74, 1599-1686 (2022). MSC: 68Txx PDFBibTeX XMLCite \textit{M. Asai} et al., J. Artif. Intell. Res. (JAIR) 74, 1599--1686 (2022; Zbl 07577519) Full Text: DOI arXiv
Fukunaga, Tomonori; Takahashi, Masatomo Singularities of translation surfaces in the Euclidean 3-space. (English) Zbl 1486.58022 Result. Math. 77, No. 2, Paper No. 89, 28 p. (2022). Reviewer: Maria Aparecida Soares Ruas (São Carlos) MSC: 58K05 57R45 53A55 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, Result. Math. 77, No. 2, Paper No. 89, 28 p. (2022; Zbl 1486.58022) Full Text: DOI
Fukunaga, Tomonori; Takahashi, Masatomo Framed surfaces and one-parameter families of framed curves in Euclidean 3-space. (English) Zbl 1440.58015 J. Singul. 21, 30-49 (2020). Reviewer: Mohammad Sajid (Buraidah) MSC: 58K05 57R45 53A55 53A04 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, J. Singul. 21, 30--49 (2020; Zbl 1440.58015) Full Text: DOI
Fukunaga, Takuro; Maehara, Takanori Computing a tree having a small vertex cover. (English) Zbl 1430.68203 Theor. Comput. Sci. 791, 48-61 (2019). MSC: 68R10 05C62 05C70 68W25 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{T. Maehara}, Theor. Comput. Sci. 791, 48--61 (2019; Zbl 1430.68203) Full Text: DOI arXiv
Fukunaga, Tomonori; Takahashi, Masatomo Framed surfaces in the Euclidean space. (English) Zbl 1425.58021 Bull. Braz. Math. Soc. (N.S.) 50, No. 1, 37-65 (2019). Reviewer: Mohammad Sajid (Buraidah) MSC: 58K05 53A05 57R45 53C42 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, Bull. Braz. Math. Soc. (N.S.) 50, No. 1, 37--65 (2019; Zbl 1425.58021) Full Text: DOI Link
Fukunaga, Tomonori; Takahashi, Masatomo Existence conditions of framed curves for smooth curves. (English) Zbl 1375.53004 J. Geom. 108, No. 2, 763-774 (2017). MSC: 53A04 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, J. Geom. 108, No. 2, 763--774 (2017; Zbl 1375.53004) Full Text: DOI Link
Asai, Masataro; Fukunaga, Alex Tie-breaking strategies for cost-optimal best first search. (English) Zbl 1401.68284 J. Artif. Intell. Res. (JAIR) 58, 67-121 (2017). MSC: 68T20 PDFBibTeX XMLCite \textit{M. Asai} and \textit{A. Fukunaga}, J. Artif. Intell. Res. (JAIR) 58, 67--121 (2017; Zbl 1401.68284) Full Text: DOI
Fukunaga, Takuro; Maehara, Takanori Computing a tree having a small vertex cover. (English) Zbl 1436.68237 Chan, T-H. Hubert (ed.) et al., Combinatorial optimization and applications. 10th international conference, COCOA 2016, Hong Kong, China, December 16–18, 2016. Proceedings. Cham: Springer. Lect. Notes Comput. Sci. 10043, 77-91 (2016). MSC: 68R10 05C62 05C70 68W25 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{T. Maehara}, Lect. Notes Comput. Sci. 10043, 77--91 (2016; Zbl 1436.68237) Full Text: DOI arXiv
Fukunaga, Tomonori; Takahashi, Masatomo On convexity of simple closed frontals. (English) Zbl 1351.53005 Kodai Math. J. 39, No. 2, 389-398 (2016). MSC: 53A04 57R45 58K05 53D10 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, Kodai Math. J. 39, No. 2, 389--398 (2016; Zbl 1351.53005) Full Text: DOI Euclid Link
Fukunaga, Tomonori; Takahashi, Masatomo Involutes of fronts in the Euclidean plane. (English) Zbl 1352.58007 Beitr. Algebra Geom. 57, No. 3, 637-653 (2016). Reviewer: Aleksandr G. Aleksandrov (Moskva) MSC: 58K05 53A04 57R45 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, Beitr. Algebra Geom. 57, No. 3, 637--653 (2016; Zbl 1352.58007) Full Text: DOI Link
Fukunaga, Tomonori; Takahashi, Masatomo Evolutes and involutes of frontals in the Euclidean plane. (English) Zbl 1323.58027 Demonstr. Math. 48, No. 2, 147-166 (2015). MSC: 58K05 53A04 57R45 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, Demonstr. Math. 48, No. 2, 147--166 (2015; Zbl 1323.58027) Full Text: DOI
Fukunaga, T.; Takahashi, Masatomo Evolutes of fronts in the Euclidean plane. (English) Zbl 1308.53005 J. Singul. 10, 92-107 (2014). MSC: 53A04 57R45 58K05 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, J. Singul. 10, 92--107 (2014; Zbl 1308.53005) Full Text: DOI Link
Fukunaga, Masataka; Shimizu, Nobuyuki A high-speed algorithm for computation of fractional differentiation and fractional integration. (English) Zbl 1339.65035 Philos. Trans. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 371, No. 1990, Article ID 20120152, 16 p. (2013). MSC: 65D25 65D30 26A33 65L05 34A30 34A08 PDFBibTeX XMLCite \textit{M. Fukunaga} and \textit{N. Shimizu}, Philos. Trans. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 371, No. 1990, Article ID 20120152, 16 p. (2013; Zbl 1339.65035) Full Text: DOI
Fukunaga, Tomonori; Takahashi, Masatomo Existence and uniqueness for Legendre curves. (English) Zbl 1276.53002 J. Geom. 104, No. 2, 297-307 (2013). MSC: 53A04 53D35 PDFBibTeX XMLCite \textit{T. Fukunaga} and \textit{M. Takahashi}, J. Geom. 104, No. 2, 297--307 (2013; Zbl 1276.53002) Full Text: DOI Link
Xiao, Mingyu; Fukunaga, Takuro; Nagamochi, Hiroshi FPTASs for trimming weighted trees. (English) Zbl 1259.68262 Theor. Comput. Sci. 469, 105-118 (2013). MSC: 68W40 90C35 05C05 05C85 PDFBibTeX XMLCite \textit{M. Xiao} et al., Theor. Comput. Sci. 469, 105--118 (2013; Zbl 1259.68262) Full Text: DOI
Xiao, Mingyu; Fukunaga, Takuro; Nagamochi, Hiroshi FPTAS’s for some cut problems in weighted trees. (English) Zbl 1288.68280 Lee, Der-Tsai (ed.) et al., Frontiers in algorithmics. 4th international workshop, FAW 2010, Wuhan, China, August 11–13, 2010. Proceedings. Berlin: Springer (ISBN 978-3-642-14552-0/pbk). Lecture Notes in Computer Science 6213, 210-221 (2010). MSC: 68W25 05C85 90C27 PDFBibTeX XMLCite \textit{M. Xiao} et al., Lect. Notes Comput. Sci. 6213, 210--221 (2010; Zbl 1288.68280) Full Text: DOI
Rebeiro, Chester; Mukhopadhyay, Debdeep; Takahashi, Junko; Fukunaga, Toshinori Cache timing attacks on Clefia. (English) Zbl 1252.94093 Roy, Bimal (ed.) et al., Progress in cryptology – INDOCRYPT 2009. 10th international conference on cryptology in India, New Delhi, India, December 13–16, 2009. Proceedings. Berlin: Springer (ISBN 978-3-642-10627-9/pbk). Lecture Notes in Computer Science 5922, 104-118 (2009). MSC: 94A60 PDFBibTeX XMLCite \textit{C. Rebeiro} et al., Lect. Notes Comput. Sci. 5922, 104--118 (2009; Zbl 1252.94093) Full Text: DOI
Fukunaga, Takuro; Halldórsson, Magnús M.; Nagamochi, Hiroshi Robust cost colorings. (English) Zbl 1192.90071 Proceedings of the nineteenth annual ACM-SIAM symposium on discrete algorithms, San Francisco, CA, January 20–22, 2008. New York, NY: Association for Computing Machinery (ACM); Philadelphia, PA: Society for Industrial and Applied Mathematics (SIAM) (ISBN 978-0-898716-47-4). 1204-1212 (2008). MSC: 90B35 05C15 PDFBibTeX XMLCite \textit{T. Fukunaga} et al., in: Proceedings of the nineteenth annual ACM-SIAM symposium on discrete algorithms, SODA 2008, San Francisco, CA, January 20--22, 2008. New York, NY: Association for Computing Machinery (ACM); Philadelphia, PA: Society for Industrial and Applied Mathematics (SIAM). 1204--1212 (2008; Zbl 1192.90071)
Hu, N.; Wang, H. H.; Yan, B.; Fukunaga, H.; Mahapatra, D. Roy; Gopalakrishnan, S. The partition of unity finite element method for elastic wave propagation in Reissner-Mindlin plates. (English) Zbl 1194.74410 Int. J. Numer. Methods Eng. 70, No. 12, 1451-1479 (2007). MSC: 74S05 74J05 74K20 PDFBibTeX XMLCite \textit{N. Hu} et al., Int. J. Numer. Methods Eng. 70, No. 12, 1451--1479 (2007; Zbl 1194.74410) Full Text: DOI
Fukunaga, Takuro; Halldórsson, Magnús M.; Nagamochi, Hiroshi “Rent-or-buy” scheduling and cost coloring problems. (English) Zbl 1135.90344 Arvind, V. (ed.) et al., FSTTCS 2007: Foundations of software technology and theoretical computer science. 27th international conference, New Delhi, India, December 12–14, 2007. Proceedings. Berlin: Springer (ISBN 978-3-540-77049-7/pbk). Lecture Notes in Computer Science 4855, 84-95 (2007). MSC: 90B35 90C35 PDFBibTeX XMLCite \textit{T. Fukunaga} et al., Lect. Notes Comput. Sci. 4855, 84--95 (2007; Zbl 1135.90344) Full Text: DOI
Fukunaga, Masataka An operational method for differential equations based on integration. II: Applications. (English) Zbl 1134.26301 Int. J. Appl. Math. 20, No. 6, 745-774 (2007). MSC: 26A33 44A40 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 20, No. 6, 745--774 (2007; Zbl 1134.26301)
Fukunaga, M.; Takesada, M.; Onodera, A.; Kuwadara, R.; Gong, J. P.; Osada, Y.; Yagi, T. Light scattering study in double network gels. (English) Zbl 1132.78307 Yakubo, Kousuke (ed.) et al., Topological aspects of critical systems and networks. Proceedings of the international symposium, Saporo, Japan, February 13–14, 2006. With CD-ROM. Hackensack, NJ: World Scientific (ISBN 978-981-270-736-9/hbk). 101-105 (2007). MSC: 78A45 PDFBibTeX XMLCite \textit{M. Fukunaga} et al., in: Topological aspects of critical systems and networks. Proceedings of the international symposium, Saporo, Japan, February 13--14, 2006. With CD-ROM. Hackensack, NJ: World Scientific. 101--105 (2007; Zbl 1132.78307)
Fukunaga, Masataka An operational method for ordinary differential equations based on integration. (English) Zbl 1132.26312 Int. J. Appl. Math. 20, No. 1, 29-49 (2007). MSC: 26A33 34A25 34A30 44A40 65L05 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 20, No. 1, 29--49 (2007; Zbl 1132.26312)
Nasuno, Hiroshi; Shimizu, Nobuyuki; Fukunaga, Masataka Fractional derivative consideration on nonlinear viscoelastic statical and dynamical behavior under large pre-displacement. (English) Zbl 1350.74005 Sabatier, J. (ed.) et al., Advances in fractional calculus. Theoretical developments and applications in physics and engineering. Dordrecht: Springer (ISBN 978-1-4020-6041-0/hbk; 978-1-4020-6042-7/ebook). 363-376 (2007). MSC: 74D10 26A33 PDFBibTeX XMLCite \textit{H. Nasuno} et al., in: Advances in fractional calculus. Theoretical developments and applications in physics and engineering. Dordrecht: Springer. 363--376 (2007; Zbl 1350.74005) Full Text: DOI
Hu, N.; Fukunaga, H.; Kameyama, M.; Mahapatra, D. Roy; Gopalakrishnan, S. Analysis of wave propagation in beams with transverse and lateral cracks using a weakly formulated spectral method. (English) Zbl 1111.74441 J. Appl. Mech. 74, No. 1, 119-127 (2007). MSC: 74-XX PDFBibTeX XMLCite \textit{N. Hu} et al., J. Appl. Mech. 74, No. 1, 119--127 (2007; Zbl 1111.74441) Full Text: DOI
Kurata, Kosaku; Fukunaga, Takanobu; Matsuda, Junpei; Higaki, Hidehiko Role of mechanically damaged Osteocytes in the initial phase of bone remodeling. (English) Zbl 1140.74335 Int. J. Fatigue 29, No. 6, 1010-1018 (2007). MSC: 74-05 74R20 92-06 74L15 92C10 PDFBibTeX XMLCite \textit{K. Kurata} et al., Int. J. Fatigue 29, No. 6, 1010--1018 (2007; Zbl 1140.74335) Full Text: DOI
Itagaki, Masafumi; Fukunaga, Takaaki Boundary element modelling to solve the Grad-Shafranov equation as an axisymmetric problem. (English) Zbl 1195.76284 Eng. Anal. Bound. Elem. 30, No. 9, 746-757 (2006). MSC: 76M15 76X05 PDFBibTeX XMLCite \textit{M. Itagaki} and \textit{T. Fukunaga}, Eng. Anal. Bound. Elem. 30, No. 9, 746--757 (2006; Zbl 1195.76284) Full Text: DOI
Fukunaga, Masataka; Shimizu, Nobuyuki Role of prehistories in the initial value problems of fractional viscoelastic equations. (English) Zbl 1142.74310 Nonlinear Dyn. 38, No. 1-4, 207-220 (2004). MSC: 74D05 PDFBibTeX XMLCite \textit{M. Fukunaga} and \textit{N. Shimizu}, Nonlinear Dyn. 38, No. 1--4, 207--220 (2004; Zbl 1142.74310) Full Text: DOI
Fukunaga, Masataka Numerical solutions of fractional diffusion equation with source term. (English) Zbl 1054.35155 Int. J. Appl. Math. 14, No. 3, 269-295 (2003). Reviewer: Prabhat Kumar Mahanti (Saint John) MSC: 35S10 26A33 35R10 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 14, No. 3, 269--295 (2003; Zbl 1054.35155)
Fukunaga, Masataka A difference method for initial value problems for ordinary fractional differential equations. II. (English) Zbl 1037.65069 Int. J. Appl. Math. 11, No. 3, 215-243 (2002). MSC: 65L05 26A33 65L12 34A12 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 11, No. 3, 215--243 (2002; Zbl 1037.65069)
Fukunaga, Masataka On uniqueness of the solutions of initial value problems of ordinary fractional differential equations. II. (English) Zbl 1038.34007 Int. J. Appl. Math. 10, No. 3, 269-283 (2002). MSC: 34A12 26A33 34A30 34A25 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 10, No. 3, 269--283 (2002; Zbl 1038.34007)
Fukunaga, Masataka On uniqueness of the solutions of initial value problems of ordinary fractional differential equations. (English) Zbl 1038.34006 Int. J. Appl. Math. 10, No. 2, 177-189 (2002). MSC: 34A12 26A33 34A30 34A25 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 10, No. 2, 177--189 (2002; Zbl 1038.34006)
Fukunaga, Masataka On initial value problems of fractional differential equations. (English) Zbl 1038.34005 Int. J. Appl. Math. 9, No. 2, 219-236 (2002). MSC: 34A12 26A33 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 9, No. 2, 219--236 (2002; Zbl 1038.34005)
Fukunaga, Masataka A difference method for initial value problems of fractional wave diffusion equations. (English) Zbl 1029.65100 Int. J. Appl. Math. 8, No. 4, 449-468 (2002). MSC: 65M06 35R10 26A33 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 8, No. 4, 449--468 (2002; Zbl 1029.65100)
Hu, N.; Fukunaga, H.; Kameyama, M.; Aramaki, Y.; Chang, F. K. Vibration analysis of delaminated composite beams and plates using a higher-order finite element. (English) Zbl 1026.74035 Int. J. Mech. Sci. 44, No. 7, 1479-1503 (2002). MSC: 74H45 74K10 74S05 74K20 PDFBibTeX XMLCite \textit{N. Hu} et al., Int. J. Mech. Sci. 44, No. 7, 1479--1503 (2002; Zbl 1026.74035) Full Text: DOI
Aoyagi, Takeshi; Sawa, Fumio; Shoji, Tatsuya; Fukunaga, Hiroo; Takimoto, Jun-ichi; Doi, Masao A general-purpose coarse-grained molecular dynamics program. (English) Zbl 1002.82502 Comput. Phys. Commun. 145, No. 2, 267-279 (2002). MSC: 82-04 81V55 PDFBibTeX XMLCite \textit{T. Aoyagi} et al., Comput. Phys. Commun. 145, No. 2, 267--279 (2002; Zbl 1002.82502) Full Text: DOI
Fukunaga, M. A difference method for initial value problems for ordinary fractional differential equations. (English) Zbl 0990.34008 Int. J. Appl. Math. 8, No. 2, 127-147 (2002). Reviewer: Dimitar A.Kolev (Sofia) MSC: 34A12 26A33 34A30 65L05 PDFBibTeX XMLCite \textit{M. Fukunaga}, Int. J. Appl. Math. 8, No. 2, 127--147 (2002; Zbl 0990.34008)
Fukunaga, Hiroo; Aoyagi, Takeshi; Takimoto, Jun-ichi; Doi, Masao Derivation of coarse-grained potential for polyethylene. (English) Zbl 0991.82530 Comput. Phys. Commun. 142, No. 1-3, 224-226 (2001). MSC: 82D60 PDFBibTeX XMLCite \textit{H. Fukunaga} et al., Comput. Phys. Commun. 142, No. 1--3, 224--226 (2001; Zbl 0991.82530) Full Text: DOI
Fukunaga, H.; Sekine, H.; Sato, M.; Iino, A. Buckling design of symmetrically laminated plates using lamination parameters. (English) Zbl 0900.73229 Comput. Struct. 57, No. 4, 643-649 (1995). MSC: 74G60 74K20 74E30 PDFBibTeX XMLCite \textit{H. Fukunaga} et al., Comput. Struct. 57, No. 4, 643--649 (1995; Zbl 0900.73229) Full Text: DOI
Fukunaga, H.; Sekine, H.; Sato, M. Optimal design of symmetric laminated plates for fundamental frequency. (English) Zbl 1064.74641 J. Sound Vib. 171, No. 2, 219-229 (1994). MSC: 74P99 74K15 PDFBibTeX XMLCite \textit{H. Fukunaga} et al., J. Sound Vib. 171, No. 2, 219--229 (1994; Zbl 1064.74641) Full Text: DOI
Yamaguchi, F.; Niizeki, M.; Fukunaga, H. Recursion relations for 4\(\times 4\) determinants related to rational cubic Bézier curves. (English) Zbl 0734.41018 Curves and surfaces, Pap. Int. Conf., Chamonix-Mont-Blanc/Fr. 1990, 505-510 (1991). MSC: 41A20 41A30 PDFBibTeX XML
Fukunaga, Keinosuke; Hummels, Donald M. Bayes error estimation using Parzen and k-NN procedures. (English) Zbl 0628.62031 IEEE Trans. Pattern Anal. Mach. Intell. 9, 634-643 (1987). MSC: 62G05 PDFBibTeX XMLCite \textit{K. Fukunaga} and \textit{D. M. Hummels}, IEEE Trans. Pattern Anal. Mach. Intell. 9, 634--643 (1987; Zbl 0628.62031) Full Text: DOI
Fukunaga, Keinosuke; Hummels, Donald M. Bias of nearest neighbor error estimates. (English) Zbl 0623.62055 IEEE Trans. Pattern Anal. Mach. Intell. 9, 103-112 (1987). Reviewer: L.Kaufman MSC: 62H30 65C99 62F15 68T10 PDFBibTeX XMLCite \textit{K. Fukunaga} and \textit{D. M. Hummels}, IEEE Trans. Pattern Anal. Mach. Intell. 9, 103--112 (1987; Zbl 0623.62055) Full Text: DOI
Fukunaga, K.; Mantock, J. M. Nonparametric discriminant analysis. (English) Zbl 0542.62047 IEEE Trans. Pattern Anal. Mach. Intell. 5, 671-678 (1983). Reviewer: L.Kaufman MSC: 62H30 62G10 60E99 PDFBibTeX XMLCite \textit{K. Fukunaga} and \textit{J. M. Mantock}, IEEE Trans. Pattern Anal. Mach. Intell. 5, 671--678 (1983; Zbl 0542.62047) Full Text: DOI
Fukunaga, Makoto Fixed points of elementary subgroups of Chevalley groups acting on trees. (English) Zbl 0438.20030 Tsukuba J. Math. 3, No. 2, 7-16 (1979). MSC: 20G05 20H05 05C05 05C25 11F06 14L15 PDFBibTeX XMLCite \textit{M. Fukunaga}, Tsukuba J. Math. 3, No. 2, 7--16 (1979; Zbl 0438.20030) Full Text: DOI
Narendra, Patrenahalli M.; Fukunaga, Keinosuke A branch and bound algorithm for feature subset selection. (English) Zbl 0363.68059 IEEE Trans. Comput. 26, 917-922 (1977). MSC: 68W99 PDFBibTeX XMLCite \textit{P. M. Narendra} and \textit{K. Fukunaga}, IEEE Trans. Comput. 26, 917--922 (1977; Zbl 0363.68059) Full Text: DOI
Koontz, Warren L.; Narendra, Patrenahalli M.; Fukunaga, Keinosuke A graph-theoretic approach to nonparametric cluster analysis. (English) Zbl 0332.68080 IEEE Trans. Comput. 25, 936-944 (1976). MSC: 68T10 68W99 PDFBibTeX XMLCite \textit{W. L. Koontz} et al., IEEE Trans. Comput. 25, 936--944 (1976; Zbl 0332.68080) Full Text: DOI
Koontz, Warren L. G.; Narendra, Patrenahalli M.; Fukunaga, Keinosuke A branch and bound clustering algorithm. (English) Zbl 0308.68039 IEEE Trans. Comput. 24, 908-915 (1975). MSC: 68W99 68T10 PDFBibTeX XMLCite \textit{W. L. G. Koontz} et al., IEEE Trans. Comput. 24, 908--915 (1975; Zbl 0308.68039) Full Text: DOI
Fukunaga, Keinosuke; Narendra, Patrenahalli M. A branch and bound algorithm for computing k-nearest neighbors. (English) Zbl 0307.68069 IEEE Trans. Comput. 24, 750-753 (1975). MSC: 68T10 68W99 PDFBibTeX XMLCite \textit{K. Fukunaga} and \textit{P. M. Narendra}, IEEE Trans. Comput. 24, 750--753 (1975; Zbl 0307.68069) Full Text: DOI