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@article{MAN_1989__285_1_164604, author = {Francois Lalonde}, title = {Classes caract\'eristiques isotropes.}, journal = {Mathematische Annalen}, pages = {343--352}, publisher = {mathdoc}, volume = {285}, number = {1}, year = {1989}, zbl = {0662.55009}, url = {http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164604/} }
Francois Lalonde. Classes caractéristiques isotropes.. Mathematische Annalen, Tome 285 (1989) no. 1, pp. 343-352. http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164604/