@article{TMF_1980_42_3_a9,
     author = {A. M. Kurbatov and D. P. Sankovich},
     title = {Consistency equations in~the approximating {Hamiltonian} method},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {392--405},
     year = {1980},
     volume = {42},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_42_3_a9/}
}