@article{JMPA_1935_9_14_1-4_1_0, author = {Charpentier, Marie}, title = {Sur des courbes ferm\'ees analogues aux courbes de {M.} {Birkhoff}}, journal = {Journal de Math\'ematiques Pures et Appliqu\'ees}, pages = {1--48}, publisher = {Gauthier-Villars}, volume = {9e s{\'e}rie, 14}, number = {1-4}, year = {1935}, zbl = {0011.17703}, language = {fr}, url = {http://archive.numdam.org/item/JMPA_1935_9_14_1-4_1_0/} }