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@article{10_4064_fm_76_3_223_230, author = {A. Wojciechowska}, title = {On {Helling} cardinals}, journal = {Fundamenta Mathematicae}, pages = {223--230}, publisher = {mathdoc}, volume = {76}, number = {3}, year = {1972}, doi = {10.4064/fm-76-3-223-230}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-76-3-223-230/} }
A. Wojciechowska. On Helling cardinals. Fundamenta Mathematicae, Tome 76 (1972) no. 3, pp. 223-230. doi : 10.4064/fm-76-3-223-230. http://geodesic.mathdoc.fr/articles/10.4064/fm-76-3-223-230/
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