@article{105020, author = {Petr Vop\v enka}, title = {Concerning a proof of $\aleph\_{\alpha+1}\leqq 2^{\aleph\_\alpha}$ without axiom of choice: A correction}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {006}, year = {1965}, pages = {337-337}, zbl = {0199.01701}, mrnumber = {0188088}, language = {en}, url = {http://dml.mathdoc.fr/item/105020} }
Vopěnka, Petr. Concerning a proof of $\aleph_{\alpha+1}\leqq 2^{\aleph_\alpha}$ without axiom of choice: A correction. Commentationes Mathematicae Universitatis Carolinae, Tome 006 (1965) p. 337. http://gdmltest.u-ga.fr/item/105020/