@article{NAM_1884_3_3__305_0,
     author = {R\'ealis, S.},
     title = {Addition \`a deux articles pr\'ec\'edents},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {305--315},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 3},
     year = {1884},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1884_3_3__305_0/}
}