@article{GRSME_1998_1998_1_a1,
     author = {Chamizo, Fernando and  C\'ordoba, Antonio},
     title = {Fractales de {Riemann:} n\'umeros y figuras.},
     journal = {La Gaceta de la Real Sociedad Matem\'atica Espa\~nola},
     pages = {37-47},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1998},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GRSME_1998_1998_1_a1/}
}