@misc{BSMA_1881_2_5_1_385_0,
     title = {Comptes rendus et analyses},
     journal = {Bulletin des Sciences Math\'ematiques et Astronomiques},
     pages = {385--387},
     publisher = {Gauthier-Villars},
     volume = {2e s{\'e}rie, 5},
     number = {1},
     year = {1881},
     language = {fr},
     url = {http://www.numdam.org/item/BSMA_1881_2_5_1_385_0/}
}