%0 Journal Article %A V. A. Arzumanian %A B. S. Nakhapetian %A S. K. Pogosyan %T Asymptotic expansion of the logarithm of the partition function in spin lattice systems that possess a vacuum %J Teoretičeskaâ i matematičeskaâ fizika %D 1989 %P 175-184 %V 81 %N 2 %U http://geodesic.mathdoc.fr/item/TMF_1989_81_2_a1/ %G ru %F TMF_1989_81_2_a1