@article{PMIHES_1970__39__5_0,
     author = {Cerf, Jean},
     title = {La stratification naturelle des espaces de fonctions diff\'erentiables r\'eelles et le th\'eor\`eme de la pseudo-isotopie},
     journal = {Publications Math\'ematiques de l'IH\'ES},
     pages = {5--173},
     publisher = {Institut des Hautes \'Etudes Scientifiques},
     volume = {39},
     year = {1970},
     mrnumber = {292089},
     zbl = {0213.25202},
     language = {fr},
     url = {http://www.numdam.org/item/PMIHES_1970__39__5_0/}
}