TY - JOUR AU - I. A. Kvasnikov TI - The application of the variation principle to the Ising model of an antiferromagnetic JO - Doklady Akademii Nauk PY - 1957 SP - 544 EP - 547 VL - 113 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1957_113_3_a17/ LA - ru ID - DAN_1957_113_3_a17 ER -