@article{JMPA_1870_2_15__264_0,
     author = {de La Gournerie},
     title = {Note sur les quadricuspidales},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {264--266},
     volume = {2e s{\'e}rie, 15},
     year = {1870},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1870_2_15__264_0/}
}