@article{CMUC_2003_44_4_a18,
     author = {Franco-Filho, Antonio de Padua},
     title = {Topological characterization of the small cardinal $i$},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {745--750},
     year = {2003},
     volume = {44},
     number = {4},
     mrnumber = {2062891},
     zbl = {1098.54003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2003_44_4_a18/}
}