@article{RRACEFN_1986_1986_1_a23,
     author = {Margalef Roig, Juan and  Outerelo Dom{\'\i}nguez, Enrique},
     title = {Variedades cociente de variedades con borde anguloso. {Teorema} de existencia.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {581-592},
     publisher = {mathdoc},
     volume = {80},
     number = {4},
     year = {1986},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1986_1986_1_a23/}
}