@article{NAM_1908_4_8__449_0,
     author = {Juhel-R\'enoy, J.},
     title = {Sur la r\`egle des signes de {Descartes}},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {449--450},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {4e s{\'e}rie, 8},
     year = {1908},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1908_4_8__449_0/}
}