@article{GAMA_1967_1967_1_a7,
     author = {Fraile, V.},
     title = {Sobre el concepto de matem\'atica.},
     journal = {Gaceta matem\'atica},
     pages = {222-228},
     publisher = {mathdoc},
     volume = {19},
     number = {7-8},
     year = {1967},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1967_1967_1_a7/}
}