@article{MAN_1895__46_157755,
     author = {\`Emile Picard},
     title = {Sur les groupes de transformations des \'equations diff\'erentielles lin\'eaires},
     journal = {Mathematische Annalen},
     pages = {161--166},
     year = {1895},
     volume = {46},
     zbl = {26.0408.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1895__46_157755/}
}