@article{CMH_1962__37_139250,
     author = {A.L. Liulevicius},
     title = {A {Proof} of {Thom's} {Theorem.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {121--131},
     publisher = {mathdoc},
     volume = {37},
     year = {1962},
     zbl = {0109.41203},
     url = {http://geodesic.mathdoc.fr/item/CMH_1962__37_139250/}
}