%0 Journal Article %A Mareš, Milan %T Multiplication of fuzzy quantities %J Kybernetika %D 1992 %P 337-356 %V 28 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1992__28_5_a0/ %G en %F KYB_1992__28_5_a0