@article{SE_1964__6__A1_0,
     author = {Poenaru, Valentin},
     title = {Sur les vari\'et\'es tridimensionnelles ayant le type d{\textquoteright}homotopie de la sph\`ere $S_3$},
     journal = {S\'eminaire Ehresmann. Topologie et g\'eom\'etrie diff\'erentielle},
     note = {talk:1},
     pages = {1--67},
     publisher = {Secr\'etariat math\'ematique},
     volume = {6},
     year = {1964},
     mrnumber = {175131},
     zbl = {0171.22303},
     language = {fr},
     url = {http://www.numdam.org/item/SE_1964__6__A1_0/}
}