@article{BSMF_1946__74__31_0,
     author = {Bouligand, Georges},
     title = {Surfaces dou\'ees d'une famille d'asymptotiques ordinaires},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {31--41},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {74},
     year = {1946},
     doi = {10.24033/bsmf.1373},
     mrnumber = {9,305f},
     zbl = {0063.00572},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1373/}
}