@article{JMPA_1909_6_5__127_0,
     author = {Petrini, Henrik},
     title = {Les d\'eriv\'ees premi\`eres et secondes du potentiel logarithmique},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {127--223},
     publisher = {Gauthier-Villars},
     volume = {6e s{\'e}rie, 5},
     year = {1909},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1909_6_5__127_0/}
}