Linear algebra for everyone. (Algebra lineare per tutti.) (Italian)
Unitext 28. La Matematica per il 3 + 2. Milano: Springer (ISBN 978-88-470-0446-7/pbk). xv, 210~p. EUR~26.88/net; \$~39.95; \sterling~20.50 (2007).
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Conjugate figures of the Poncelet pair in numerical range. (English)
Bull. Fac. Sci. Technol., Hirosaki Univ. 7, No. 1, 9-14 (2004).
2
Hermite-type Shepard operators. (English)
Rev. Anal. Numér. Théor. Approx. 26, No.1-2, 33-38 (1997).
3