@article{TMF_1982_50_3_a10,
     author = {G. V. Klimachev},
     title = {Perturbation theory in systems with long-range potential},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {410--414},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1982_50_3_a10/}
}