@article{RRACEFN_1986_1986_1_a9,
     author = {Quintero, A.},
     title = {Doble suspensi\'on de bolas de homolog{\'\i}a.},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {97-104},
     publisher = {mathdoc},
     volume = {80},
     number = {1-2},
     year = {1986},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1986_1986_1_a9/}
}