%0 Journal Article %A Klaška, Jiří %T Partitions and partially ordered sets %J Communications in Mathematics %D 1995 %P 45-54 %V 3 %N 1 %U http://geodesic.mathdoc.fr/item/COMIM_1995_3_1_a4/ %G en %F COMIM_1995_3_1_a4