@article{NAM_1888_3_7__147_1,
     author = {Ces\`aro, Ernest},
     title = {Question de g\'eom\'etrie intrins\`eque},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {147--152},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {3e s{\'e}rie, 7},
     year = {1888},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1888_3_7__147_1/}
}