@article{JMPA_1907_6_3__337_0,
     author = {Humbert, G.},
     title = {Formules relatives aux nombres de classes des formes quadratiques binaires et positives},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {337--449},
     publisher = {Gauthier-Villars},
     volume = {6e s{\'e}rie, 3},
     year = {1907},
     language = {fr},
     url = {http://www.numdam.org/item/JMPA_1907_6_3__337_0/}
}