Ehresmann, Charles Sur les variétés presques complexes. (French) Zbl 0049.12904 Proc. Internat. Congr. Math. (Cambridge, Mass., Aug. 30-Sept. 6, 1950) 2, 412-419 (1952). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 12 Documents Keywords:topology PDF BibTeX XML