@article{CMH_1933__5_138601,
     author = {W. Rivier},
     title = {Note sur un type d'\'equations diff\'erentielles du premier ordre.},
     journal = {Commentarii mathematici Helvetici},
     pages = {254--255},
     publisher = {mathdoc},
     volume = {5},
     year = {1933},
     zbl = {0006.30403},
     url = {http://geodesic.mathdoc.fr/item/CMH_1933__5_138601/}
}