@article{PIM_1932_Tom_I_a11,
     author = {Michel Petrovitch},
     title = {Sur une fonctionnelle},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {148 },
     publisher = {mathdoc},
     volume = {Tom_I},
     year = {1932},
     url = {http://geodesic.mathdoc.fr/item/PIM_1932_Tom_I_a11/}
}