@article{AMPA_1824-1825__15__273_0,
     author = {Sorlin and Gergonne},
     title = {Trigonom\'etrie. {Recherches} de trigonom\'etrie sph\'erique},
     journal = {Annales de math\'ematiques pures et appliqu\'ees},
     pages = {273--304},
     publisher = {Bachelier, gendre Courcier, Libraire pour les Math\'ematiques},
     address = {Paris},
     volume = {15},
     year = {1824-1825},
     language = {fr},
     url = {http://archive.numdam.org/item/AMPA_1824-1825__15__273_0/}
}