@article{GAMA_1975_1975_1_a8,
     author = {P\'erez G\'omez, A.},
     title = {Un teorema de punto fijo.},
     journal = {Gaceta matem\'atica},
     pages = {100-102},
     publisher = {mathdoc},
     volume = {27},
     number = {3-4},
     year = {1975},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1975_1975_1_a8/}
}