%0 Journal Article
%A Nieminen, Juhani
%T On the algebraic structure of fuzzy sets of type 2
%J Kybernetika
%D 1977
%P -273
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_1977__13_4_a2/
%G en
%F KYB_1977__13_4_a2