@article{ASENS_1896_3_13__267_0,
     author = {Zantschewsky, J.},
     title = {Le probl\`eme de {Pfaff}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {267--294},
     publisher = {Elsevier},
     volume = {3e s{\'e}rie, 13},
     year = {1896},
     doi = {10.24033/asens.428},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.428/}
}