@article{GAMA_1980_1980_1_a4,
     author = {Romero M\'arquez, Juan B.},
     title = {Subconjuntos de funciones complejas invariantes por ciertos subgrupos de {\ensuremath{\Delta}(0,1).}},
     journal = {Gaceta matem\'atica},
     pages = {23-25},
     publisher = {mathdoc},
     volume = {32},
     number = {1-2},
     year = {1980},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1980_1980_1_a4/}
}