@article{106035, author = {Hajnal Andr\'eka and Istv\'an N\'emeti}, title = {Does ${\bf SP}\ K\supseteq\ {\bf PS}\ K$ imply axiom of choice?}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {021}, year = {1980}, pages = {699-706}, zbl = {0453.04003}, mrnumber = {597759}, language = {en}, url = {http://dml.mathdoc.fr/item/106035} }
Andréka, Hajnal; Németi, István. Does ${\bf SP}\ K\supseteq\ {\bf PS}\ K$ imply axiom of choice?. Commentationes Mathematicae Universitatis Carolinae, Tome 021 (1980) pp. 699-706. http://gdmltest.u-ga.fr/item/106035/
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