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@article{10_4064_fm_64_2_163_179, author = {M. Zuckerman}, title = {On choosing subsets of n-element sets}, journal = {Fundamenta Mathematicae}, pages = {163--179}, publisher = {mathdoc}, volume = {64}, number = {2}, year = {1969}, doi = {10.4064/fm-64-2-163-179}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-64-2-163-179/} }
M. Zuckerman. On choosing subsets of n-element sets. Fundamenta Mathematicae, Tome 64 (1969) no. 2, pp. 163-179. doi : 10.4064/fm-64-2-163-179. http://geodesic.mathdoc.fr/articles/10.4064/fm-64-2-163-179/
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