@article{JMPA_1870_2_15__117_0,
     author = {Mathieu, Emile},
     title = {Sur la g\'en\'eralisation du premier et du second potentiel},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {117--132},
     volume = {2e s{\'e}rie, 15},
     year = {1870},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1870_2_15__117_0/}
}