@article{RRACEFN_1984_1984_1_a20,
     author = {Bujalance, E. and   Etayo, J. J. and  Gamboa, J. M.},
     title = {Curvas algebraicas reales y superficies de {Klein.}},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     publisher = {mathdoc},
     volume = {78},
     number = {1-2},
     year = {1984},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1984_1984_1_a20/}
}