@article{CMH_1954__28_139072,
     author = {R\'en\'e Thom},
     title = {Quelques propri\'et\'es globales des vari\'et\'es diff\'erentiables.},
     journal = {Commentarii mathematici Helvetici},
     pages = {17--86},
     publisher = {mathdoc},
     volume = {28},
     year = {1954},
     zbl = {0057.15502},
     url = {http://geodesic.mathdoc.fr/item/CMH_1954__28_139072/}
}