@article{GAMA_1960_1960_1_a7,
     author = {Wonenburger, Mar{\'\i}a J.},
     title = {El grupo simpl\'ectico.},
     journal = {Gaceta matem\'atica},
     pages = {85-88},
     publisher = {mathdoc},
     volume = {12},
     number = {3-4},
     year = {1960},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1960_1960_1_a7/}
}