@article{JMPA_1860_2_5__289_0,
     author = {Kronecker},
     title = {Sur le nombre des classes diff\'erentes de formes quadratiques a d\'eterminants n\'egatifs},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {289--299},
     publisher = {Gauthier-Villars},
     volume = {2e s{\'e}rie, 5},
     year = {1860},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1860_2_5__289_0/}
}