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@article{CM_1994__91_1_67_0, author = {Morvan, Jean-Marie and Niglio, Louis}, title = {Isotropic characteristic classes}, journal = {Compositio Mathematica}, pages = {67--89}, publisher = {Kluwer Academic Publishers}, volume = {91}, number = {1}, year = {1994}, mrnumber = {1273927}, zbl = {0836.57020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1994__91_1_67_0/} }
Morvan, Jean-Marie; Niglio, Louis. Isotropic characteristic classes. Compositio Mathematica, Tome 91 (1994) no. 1, pp. 67-89. http://geodesic.mathdoc.fr/item/CM_1994__91_1_67_0/