%0 Journal Article %A Drossos, Costas A. %A Markakis, George %A Shakhatreh, M. %T A nonstandard approach to fuzzy set theory %J Kybernetika %D 1992 %P 41-44 %V 28 %N Suppl %I mathdoc %U http://geodesic.mathdoc.fr/item/KYB_1992__28_Suppl_a8/ %G en %F KYB_1992__28_Suppl_a8