@article{PIM_1933_Tom_II_a5,
     author = {Michel Petrovitch},
     title = {Theoreme sur les integrales curvilignes},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {45 },
     year = {1933},
     volume = {Tom_II},
     url = {http://geodesic.mathdoc.fr/item/PIM_1933_Tom_II_a5/}
}