@article{NAM_1865_2_4__62_1,
     author = {Picart, A.},
     title = {\'Etude g\'eom\'etrique sur les surfaces},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {62--66},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {2e s{\'e}rie, 4},
     year = {1865},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1865_2_4__62_1/}
}