@article{NAM_1885_3_4__321_1,
     author = {Ces\`aro, E.},
     title = {Sur un th\'eor\`eme de {M.} {Laguerre}},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {321--327},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 4},
     year = {1885},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1885_3_4__321_1/}
}