Boruvka, O. Contribution à la théorie algébrique des équations Y”=Q(T)Y. (French) Zbl 0364.34002 Boll. Unione Mat. Ital., V. Ser., B 13, 896-915 (1976). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Reviews MSC: 34A30 Linear ordinary differential equations and systems, general 34A25 Analytical theory of ordinary differential equations: series, transformations, transforms, operational calculus, etc. 20E99 Structure and classification of infinite or finite groups PDF BibTeX XML Cite \textit{O. Boruvka}, Boll. Unione Mat. Ital., V. Ser., B 13, 896--915 (1976; Zbl 0364.34002)