@article{NAM_1860_1_19__22_1,
     author = {Bretschneider, A.},
     title = {Trigonom\'etrie sph\'erique. {Formules} de {A.} {Bretschneider}},
     journal = {Nouvelles annales de math\'ematiques : journal des candidats aux \'ecoles polytechnique et normale},
     pages = {22--23},
     publisher = {Carilian-Goeury et Vor Dalmont},
     volume = {1e s{\'e}rie, 19},
     year = {1860},
     language = {fr},
     url = {http://www.numdam.org/item/NAM_1860_1_19__22_1/}
}