@article{BSMA_1870__1__228_1,
     author = {Un abonn\'e},
     title = {Sur les lignes asymptotiques des surfaces gauches},
     journal = {Bulletin des Sciences Math\'ematiques et Astronomiques},
     pages = {228--229},
     publisher = {Gauthier-Villars},
     volume = {1},
     year = {1870},
     language = {fr},
     url = {http://www.numdam.org/item/BSMA_1870__1__228_1/}
}