%0 Journal Article %A Demko, Milan %T On congruences and ideals of partially ordered quasigroups %J Czechoslovak Mathematical Journal %D 2008 %P 637-650 %V 58 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2008__58_3_a3/ %G en %F CMJ_2008__58_3_a3