Leighton, Walter On self-adjoint differential equations of second order. (English) Zbl 0048.06503 J. Lond. Math. Soc. 27, 37-47 (1952). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 56 Documents Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{W. Leighton}, J. Lond. Math. Soc. 27, 37--47 (1952; Zbl 0048.06503) Full Text: DOI OpenURL