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[Lecture Notes in Mathematics] Differential Topology and Geometry Volume 484 || Sur le groupe des diffeomorphismes symplectiques
Joubert, Gérard P., Moussu, Robert P., Roussarie, Robert H.Volume:
10.1007/BF
Year:
1975
DOI:
10.1007/BFB0082145
File:
PDF, 300 KB
1975