@article{1183744367, author = {Frankiewicz, Rvszard and Shelah, Saharon and Zbierski, Pawel}, title = {On Closed P-Sets with $\operatorname{ccc}$ in the $\omega^\ast$}, journal = {J. Symbolic Logic}, volume = {58}, number = {1}, year = {1993}, pages = { 1171-1176}, language = {en}, url = {http://dml.mathdoc.fr/item/1183744367} }
Frankiewicz, Rvszard; Shelah, Saharon; Zbierski, Pawel. On Closed P-Sets with $\operatorname{ccc}$ in the $\omega^\ast$. J. Symbolic Logic, Tome 58 (1993) no. 1, pp. 1171-1176. http://gdmltest.u-ga.fr/item/1183744367/