%0 Journal Article
%A Vougiouklis, T.
%T The set of hypergroups with operators which are constructed from a set with two elements
%J Acta Universitatis Carolinae. Mathematica et Physica
%D 1981
%P 7-10
%V 22
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AUCMP_1981__22_1_a2/
%G en
%F AUCMP_1981__22_1_a2