Biernacki, Mieczyslaw Sur l’équation \({\Delta^2 y\over h^2}+A(x)y=0\). (French) Zbl 0039.30803 Prace Mat.-Fiz. 47, 49-60 (1949). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:ordinary differential equations PDF BibTeX XML Cite \textit{M. Biernacki}, Prace Mat.-Fiz. 47, 49--60 (1949; Zbl 0039.30803) Full Text: EuDML