@article{RMC_1999_1999_1_a3,
     author = {Pop, I.},
     title = {Una aproximaci\'on a la forma de funciones recubridoras.},
     journal = {Revista matem\'atica complutense},
     pages = {451-461},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMC_1999_1999_1_a3/}
}