@article{BSMF_1916__44__13_1,
     author = {Goursat, E.},
     title = {Sur quelques remarques relatives au probl\`eme de {Pfaff}},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {13--39},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {44},
     year = {1916},
     doi = {10.24033/bsmf.961},
     language = {fr},
     url = {http://www.numdam.org/articles/10.24033/bsmf.961/}
}