TY  - JOUR
AU  - A. A. Zaitsev
TI  - Variational method of~calculating the partition functions of~the lattice-gas and Ising models
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1989
SP  - 437
EP  - 445
VL  - 79
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1989_79_3_a11/
LA  - ru
ID  - TMF_1989_79_3_a11
ER  -