%0 Journal Article
%A V. M. Gercik
%T Conditions for the nonuniqueness of the Gibbs state for lattice models having

%J Izvestiya. Mathematics 
%D 1976
%P 429-443
%V 10
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1976_10_2_a11/
%G en
%F IM2_1976_10_2_a11