@article{104967, author = {Petr Vop\v enka and Lev Bukovsk\'y}, title = {The existence of a PCA-set of cardinal $\aleph\_1$}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {005}, year = {1964}, pages = {125-128}, zbl = {0143.25902}, mrnumber = {0168481}, language = {en}, url = {http://dml.mathdoc.fr/item/104967} }
Vopěnka, Petr; Bukovský, Lev. The existence of a PCA-set of cardinal $\aleph_1$. Commentationes Mathematicae Universitatis Carolinae, Tome 005 (1964) pp. 125-128. http://gdmltest.u-ga.fr/item/104967/
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