@article{1028999244, author = {Kahn, P. J.}, title = {Characteristic numbers and homotopy type.}, journal = {Michigan Math. J.}, volume = {12}, number = {1}, year = {1965}, pages = { 49-60}, language = {en}, url = {http://dml.mathdoc.fr/item/1028999244} }
Kahn, P. J. Characteristic numbers and homotopy type.. Michigan Math. J., Tome 12 (1965) no. 1, pp. 49-60. http://gdmltest.u-ga.fr/item/1028999244/