@article{TMF_1981_49_2_a7,
     author = {Yu. A. Tserkovnikov},
     title = {A~method of solving infinite systems of equations for two-time thermal {Green's} functions},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {219--233},
     publisher = {mathdoc},
     volume = {49},
     number = {2},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_49_2_a7/}
}