@article{TM_1990_184_a3,
     author = {S. A. Fedotov},
     title = {Evolution operator and the dynamics of model systems},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {130--158},
     publisher = {mathdoc},
     volume = {184},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1990_184_a3/}
}