@article{GAMA_1980_1980_1_a11,
     author = {Molano Romero, Antonio},
     title = {Sobre el producto escalar.},
     journal = {Gaceta matem\'atica},
     pages = {37-39},
     publisher = {mathdoc},
     volume = {32},
     number = {3-4},
     year = {1980},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1980_1980_1_a11/}
}