@article{CMUC_1965__6_3_a2, author = {Vop\v{e}nka, Petr}, title = {Concerning a proof of $\aleph_{\alpha+1}\leqq 2^{\aleph_\alpha}$ without axiom of choice: {A} correction}, journal = {Commentationes Mathematicae Universitatis Carolinae}, publisher = {mathdoc}, volume = {06}, number = {3}, year = {1965}, mrnumber = {0188088}, zbl = {0199.01701}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1965__6_3_a2/} }