%0 Journal Article
%A Ton Sales
%T Fuzzy sets as set classes.
%J Stochastica
%D 1982
%P 249
%V 6
%N 3
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/STO_1982__6_3_38867/
%G en
%F STO_1982__6_3_38867