@article{RRACEFN_1985_1985_1_a11,
     author = {Gazolaz Arteta, M{\textordfeminine} del Carmen},
     title = {Teorema de {Gauss-Bonnet} para f{\'\i}brados de {Seifert.}},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {131-135},
     publisher = {mathdoc},
     volume = {79},
     number = {1-2},
     year = {1985},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1985_1985_1_a11/}
}