%0 Journal Article
%A Constantinos N. Yatras
%T Characteristic of M-polysymmetrical Hyperrings and some properties of M-Polysymmetrical Hyperrings with Unity
%J Μαθηματική Επιθεώρηση

%D 1992
%P 115-125
%V 38
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MR_1992__38_a20/
%G gr
%F MR_1992__38_a20