@article{CMUC_1988_29_2_a2,
     author = {Stramaccia, Luciano},
     title = {$S(n)$-spaces and $H$-sets},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {221--226},
     year = {1988},
     volume = {29},
     number = {2},
     mrnumber = {957388},
     zbl = {0648.54020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1988_29_2_a2/}
}