@article{RMI_2004_2004_1_a0,
     author = {Elduque, Alberto},
     title = {El cuadrado m\'agico y composiciones sim\'etricas.},
     journal = {Revista matem\'atica iberoamericana},
     pages = {475-491},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RMI_2004_2004_1_a0/}
}