@article{JMPA_1839_1_4__457_0,
     author = {Transon, Abel},
     title = {G\'en\'eralisation de la th\'eorie des foyers dans les sections coniques},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {457--482},
     publisher = {Gauthier-Villars},
     volume = {1e s{\'e}rie, 4},
     year = {1839},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1839_1_4__457_0/}
}