@article{GAMA_1974_1974_1_a8,
     author = {P\'erez De Vargas, Alberto and  Quir\'os, Mariano},
     title = {Nota al art{\'\i}culo una f\'ormula de inter\'es en f{\'\i}sica de part{\'\i}culas.},
     journal = {Gaceta matem\'atica},
     pages = {73-74},
     publisher = {mathdoc},
     volume = {26},
     number = {3-4},
     year = {1974},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1974_1974_1_a8/}
}