@article{RRACEFN_1998_1998_1_a0,
     author = {D{\'\i}az, Juan Carlos},
     title = {Las diagonal de transformaciones matriciales},
     journal = {Revista de la Real Academia de Ciencias Exactas, F{\'\i}sicas y Naturales },
     pages = {9-12},
     publisher = {mathdoc},
     volume = {92},
     number = {1},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RRACEFN_1998_1998_1_a0/}
}