@article{NAM_1860_1_19__438_1,
     author = {Housel},
     title = {D\'emonstration du th\'eor\`eme {III} de {M.} {Nagel} (voir p. 854)},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {438--440},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {1e s{\'e}rie, 19},
     year = {1860},
     language = {fr},
     url = {http://archive.numdam.org/item/NAM_1860_1_19__438_1/}
}