%0 Journal Article %A V. D. Ozrin %T Chain of equations for two-time temperature-dependent Green's functions %J Teoretičeskaâ i matematičeskaâ fizika %D 1970 %P 66-75 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1970_4_1_a8/ %G ru %F TMF_1970_4_1_a8