%0 Journal Article %A Yu. A. Tserkovnikov %T Calculation of correlation functions in the case of degeneracy of the state of statistical equilibrium %J Teoretičeskaâ i matematičeskaâ fizika %D 1975 %P 221-237 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1975_23_2_a6/ %G ru %F TMF_1975_23_2_a6