%0 Journal Article
%A S. A. Puzynina
%T Perfect colorings of vertices of the graph $G(Z^2)$ in three colors
%J Diskretnyj analiz i issledovanie operacij
%D 2005
%P 37-54
%V 12
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_2005_12_1_a2/
%G ru
%F DA_2005_12_1_a2