@article{GAMA_1973_1973_1_a14,
     author = {Gracia Melero, Juan M.},
     title = {Nota sobre un teorema de aproximaci\'on.},
     journal = {Gaceta matem\'atica},
     pages = {197-220},
     publisher = {mathdoc},
     volume = {25},
     number = {7-8},
     year = {1973},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1973_1973_1_a14/}
}