%0 Journal Article %A Karásek, Jiří %T On a modification of relational axioms %J Archivum mathematicum %D 1992 %P 95-111 %V 28 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_1992__28_1-2_a12/ %G en %F ARM_1992__28_1-2_a12