@article{AIF_1990__40_3_709_0, author = {Godbillon, Claude}, title = {Une construction nouvelle des classes caract\'eristiques des feuilletages}, journal = {Annales de l'Institut Fourier}, pages = {709--721}, publisher = {Imprimerie Louis-Jean}, address = {Gap}, volume = {40}, number = {3}, year = {1990}, doi = {10.5802/aif.1230}, mrnumber = {92b:57038}, zbl = {0807.57024}, language = {fr}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1230/} }