@article{GAMA_1980_1980_1_a12,
     author = {D{\'\i}az Regueiro, Manuel},
     title = {Tri\'angulos aritm\'eticos {(I).}},
     journal = {Gaceta matem\'atica},
     pages = {33-36},
     publisher = {mathdoc},
     volume = {32},
     number = {3-4},
     year = {1980},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1980_1980_1_a12/}
}