Everitt, W. N. The Sturm-Liouville problem for fourth-order differential equations. (English) Zbl 0077.29202 Q. J. Math., Oxf. II. Ser. 8, 146-160 (1957). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 9 Documents Keywords:Ordinary Differential Equations; Difference Equations PDFBibTeX XMLCite \textit{W. N. Everitt}, Q. J. Math., Oxf. II. Ser. 8, 146--160 (1957; Zbl 0077.29202) Full Text: DOI