%0 Journal Article %A Drewniak, Jósef %A Sobera, Jolanta %T Structure of partially ordered cyclic semigroups %J Czechoslovak Mathematical Journal %D 2003 %P 777-791 %V 53 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2003__53_4_a1/ %G en %F CMJ_2003__53_4_a1