@article{106694, author = {Istv\'an Juh\'asz}, title = {A weakening of $\clubsuit$, with applications to topology}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {029}, year = {1988}, pages = {767-773}, zbl = {0676.54005}, mrnumber = {982796}, language = {en}, url = {http://dml.mathdoc.fr/item/106694} }
Juhász, István. A weakening of $\clubsuit$, with applications to topology. Commentationes Mathematicae Universitatis Carolinae, Tome 029 (1988) pp. 767-773. http://gdmltest.u-ga.fr/item/106694/
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