@article{BSMF_1901__29__233_0,
     author = {Cartan, E.},
     title = {Sur l'int\'egration de certaines syst\`emes de {Pfaff} de caract\`ere deux},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {233--302},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {29},
     year = {1901},
     doi = {10.24033/bsmf.647},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.647/}
}