%0 Journal Article
%A Takáč, Zdenko
%T On some properties of $\alpha $-planes of type-2 fuzzy sets
%J Kybernetika
%D 2013
%P 149-163
%V 49
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/KYB_2013__49_1_a10/
%G en
%F KYB_2013__49_1_a10