@article{TMF_2003_135_3_a2,
     author = {V. V. Belov and S. Yu. Dobrokhotov and V. A. Maksimov},
     title = {Explicit {Formulas} for {Generalized} {Action{\textendash}Angle} {Variables} in a {Neighborhood} of an {Isotropic} {Torus} and {Their} {Application}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {378--408},
     year = {2003},
     volume = {135},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2003_135_3_a2/}
}