@article{JMPA_1875_3_1__265_0,
     author = {Laguerre},
     title = {Sur les singularit\'es des courbes de quatri\`eme classe},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {265--276},
     publisher = {Gauthier-Villars},
     volume = {3e s{\'e}rie, 1},
     year = {1875},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1875_3_1__265_0/}
}