%0 Journal Article %A Wu, Xiaojun %A Chao, Chong-Yun %T An application of Pólya’s enumeration theorem to partitions of subsets of positive integers %J Czechoslovak Mathematical Journal %D 2005 %P 611-623 %V 55 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2005__55_3_a3/ %G en %F CMJ_2005__55_3_a3