@article{ASENS_1944_3_61__119_0, author = {Vincensini, Paul}, title = {Sur les congruences des cordes de contact des enveloppes de sph\`eres}, journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure}, pages = {119--147}, publisher = {Elsevier}, volume = {3e s{\'e}rie, 61}, year = {1944}, doi = {10.24033/asens.914}, zbl = {0060.36204}, mrnumber = {7,262f}, language = {fr}, url = {http://www.numdam.org/articles/10.24033/asens.914/} }