@article{JMPA_1860_2_5__119_0,
     author = {Liouville, J.},
     title = {Sur le double d'un nombre premier $4\mu+1$},
     journal = {Journal de Math\'ematiques Pures et Appliqu\'ees},
     pages = {119--120},
     publisher = {Gauthier-Villars},
     volume = {2e s{\'e}rie, 5},
     year = {1860},
     language = {fr},
     url = {http://archive.numdam.org/item/JMPA_1860_2_5__119_0/}
}