Sur l'invariance topologique de la classe de Godbillon-Vey. (On the topological invariance of the Godbillon-Vey class.)

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Publication:1096222

DOI10.5802/aif.1111zbMath0633.58025OpenAlexW2315367087MaRDI QIDQ1096222

Étienne Ghys

Publication date: 1987

Published in: Annales de l'Institut Fourier (Search for Journal in Brave)

Full work available at URL: http://www.numdam.org/item?id=AIF_1987__37_4_59_0



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