@article{EXMATH_1990_1990_1_a11,
     author = {Navarro Gonz\'alez, Juan A.},
     title = {Espacios topol\'ogicos finitos.},
     journal = {Extracta mathematicae},
     pages = {32-34},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1990},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EXMATH_1990_1990_1_a11/}
}