%0 Journal Article %A Mareš, Milan %T Algebraic equivalences over fuzzy quantities %J Kybernetika %D 1993 %P 121-132 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1993__29_2_a1/ %G en %F KYB_1993__29_2_a1