@article{JMPA_1859_2_4__253_0,
     author = {Schering},
     title = {Th\'eor\`emes relatifs aux formes binaires quadratiques qui repr\'esentent les m\^emes nombres},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {253--270},
     publisher = {Gauthier-Villars},
     volume = {2e s{\'e}rie, 4},
     year = {1859},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1859_2_4__253_0/}
}