@article{GRSME_2003_2003_1_a7,
     author = {Peralta, Javier},
     title = {Matem\'aticas para no desafinar.},
     journal = {La Gaceta de la Real Sociedad Matem\'atica Espa\~nola},
     pages = {437-456},
     year = {2003},
     volume = {6},
     number = {1},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GRSME_2003_2003_1_a7/}
}