@article{10_4064_cm_37_2_179_184, author = {A. Szyma\'nski}, title = {The existence of $P(\ensuremath{\alpha})$-points of {N*} for $\ensuremath{\aleph}_0\ensuremath{\alpha}<{\germ c}$}, journal = {Colloquium Mathematicum}, pages = {179--184}, publisher = {mathdoc}, volume = {37}, number = {2}, year = {1971}, doi = {10.4064/cm-37-2-179-184}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-37-2-179-184/} }