Ehresmann, Charles Structures locales et structures infinitésimales. (French) Zbl 0046.40703 C. R. Acad. Sci., Paris 234, 587-589 (1952). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 10 Documents Keywords:topology PDFBibTeX XMLCite \textit{C. Ehresmann}, C. R. Acad. Sci., Paris 234, 587--589 (1952; Zbl 0046.40703)