Kupka, Ivan; Ngô van Quê Non-singular closed differential forms. (Formes différentielles fermées non singulières.) (French) Zbl 0316.57017 Differ. Topol. Geom., Proc. Colloq. Dijon 1974, Lect. Notes Math. 484, 239-256 (1975). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 Document MSC: 57R50 Differential topological aspects of diffeomorphisms 57R30 Foliations in differential topology; geometric theory 58A10 Differential forms in global analysis Citations:Zbl 0302.00011; Zbl 0177.52103; Zbl 0356.57017 PDF BibTeX XML OpenURL