Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{CMH_1968__43_139352, author = {J. Milnor}, title = {On {Characteristic} {Classes} for {Spherical} {Fibre} {Spaces.}}, journal = {Commentarii mathematici Helvetici}, pages = {51--77}, publisher = {mathdoc}, volume = {43}, year = {1968}, zbl = {0153.53403}, url = {http://geodesic.mathdoc.fr/item/CMH_1968__43_139352/} }
J. Milnor. On Characteristic Classes for Spherical Fibre Spaces.. Commentarii mathematici Helvetici, Tome 43 (1968), pp. 51-77. http://geodesic.mathdoc.fr/item/CMH_1968__43_139352/