@article{MAN_1957__133_160543,
     author = {M. Vaccaro},
     title = {Propriet\`a topologiche delle rappresentazioni localmente biunivoche.},
     journal = {Mathematische Annalen},
     pages = {173--184},
     publisher = {mathdoc},
     volume = {133},
     year = {1957},
     zbl = {0084.39302},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__133_160543/}
}