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@article{CMUC_1988__29_2_a2, author = {Stramaccia, Luciano}, title = {$S(n)$-spaces and $H$-sets}, journal = {Commentationes Mathematicae Universitatis Carolinae}, pages = {221--226}, publisher = {mathdoc}, volume = {29}, number = {2}, year = {1988}, mrnumber = {957388}, zbl = {0648.54020}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1988__29_2_a2/} }
Stramaccia, Luciano. $S(n)$-spaces and $H$-sets. Commentationes Mathematicae Universitatis Carolinae, Tome 29 (1988) no. 2, pp. 221-226. http://geodesic.mathdoc.fr/item/CMUC_1988__29_2_a2/