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[Lecture Notes in Mathematics] Differential Topology and Geometry Volume 484 || Formes differentielles fermees non singulieres
Joubert, Gérard P., Moussu, Robert P., Roussarie, Robert H.Volume:
10.1007/BF
Year:
1975
DOI:
10.1007/bfb0082156
File:
PDF, 655 KB
1975