%0 Journal Article %A Andrzej Orlicki %T On a concept of a binary relation over partial enumerated sets %J Algebra i logika %D 1992 %P 306-318 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1992_31_3_a3/ %G en %F AL_1992_31_3_a3