Leimanis, Eugene Sur les multiplicités singulieres d’un système différentiel réel. (French) Zbl 0016.02401 Ann. Sci. Éc. Norm. Supér., III. Ser. 53, 309-327 (1936). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:Differential equations, general theory PDF BibTeX XML Cite \textit{E. Leimanis}, Ann. Sci. Éc. Norm. Supér. (3) 53, 309--327 (1936; Zbl 0016.02401) Full Text: DOI Numdam EuDML OpenURL