@article{NAM_1853_1_12__444_1,
     title = {Exercices de calcul trigonom\'etrique},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {1e s{\'e}rie, 12},
     year = {1853},
     pages = {444-446},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1853_1_12__444_1}
}