Bernard, Daniel Sur la structure des pseudogroupes de Lie. (French) Zbl 0056.02701 C. R. Acad. Sci., Paris 239, 1263-1265 (1954). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents Keywords:Group theory PDF BibTeX XML Cite \textit{D. Bernard}, C. R. Acad. Sci., Paris 239, 1263--1265 (1954; Zbl 0056.02701)