@article{TMF_1985_64_1_a3,
     author = {N. V. Peskov},
     title = {On {a~Kubo{\textendash}Martin{\textendash}Schwinger} state of the {sine-Gordon} system},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {32--40},
     year = {1985},
     volume = {64},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1985_64_1_a3/}
}