TY  - JOUR
AU  - S. A. Puzynina
TI  - Perfect colorings of vertices of the graph $G(Z^2)$ in three colors
JO  - Diskretnyj analiz i issledovanie operacij
PY  - 2005
SP  - 37
EP  - 54
VL  - 12
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DA_2005_12_1_a2/
LA  - ru
ID  - DA_2005_12_1_a2
ER  -