%0 Journal Article %A V. A. Osipov %A V. K. Fedyanin %T Effects due to finite values of the temperature and the chemical potential in some two-dimensional field models %J Teoretičeskaâ i matematičeskaâ fizika %D 1987 %P 393-401 %V 73 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1987_73_3_a5/ %G ru %F TMF_1987_73_3_a5