@article{GRSME_2003_2003_1_a5,
     author = {Almira, J. M. and  Del Toro, N.},
     title = {Sobre aproximaci\'on con polinomios de coeficientes enteros.},
     journal = {La Gaceta de la Real Sociedad Matem\'atica Espa\~nola},
     pages = {377-403},
     year = {2003},
     volume = {6},
     number = {1},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GRSME_2003_2003_1_a5/}
}