@article{CTGDC_1981__22_4_453_0,
     author = {Ver Eecke, Paul},
     title = {\`A propos d'un th\'eor\`eme de {Charles} {Ehresmann} sur les feuilletages},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {453--455},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {22},
     number = {4},
     year = {1981},
     mrnumber = {639054},
     zbl = {0504.57011},
     language = {fr},
     url = {http://archive.numdam.org/item/CTGDC_1981__22_4_453_0/}
}