@article{ASENS_1952_3_69__109_0,
     author = {Thom, Ren\'e},
     title = {Espaces fibr\'es en sph\`eres et carr\'es de {Steenrod}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {109--182},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 69},
     year = {1952},
     doi = {10.24033/asens.998},
     mrnumber = {14,1004c},
     zbl = {0049.40001},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/asens.998/}
}