@article{BSMA_1874__6__57_1,
     author = {Curtze, M.},
     title = {Extrait d'une lettre de {M.} {Maximilien} {Curtze}},
     journal = {Bulletin des Sciences Math\'ematiques et Astronomiques},
     pages = {57--60},
     publisher = {Gauthier-Villars},
     volume = {6},
     year = {1874},
     language = {fr},
     url = {http://archive.numdam.org/item/BSMA_1874__6__57_1/}
}