@article{PM_2003_2003_1_a11,
     author = {Verma, Kaushal},
     title = {Un lema de {Schwarz} para correspondencias y sus aplicaciones.},
     journal = {Publicacions matem\`atiques},
     pages = {373-387},
     year = {2003},
     volume = {47},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PM_2003_2003_1_a11/}
}