TY - JOUR AU - V. V. Belov AU - S. Yu. Dobrokhotov AU - V. A. Maksimov TI - Explicit Formulas for Generalized Action–Angle Variables in a Neighborhood of an Isotropic Torus and Their Application JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2003 SP - 378 EP - 408 VL - 135 IS - 3 UR - http://geodesic.mathdoc.fr/item/TMF_2003_135_3_a2/ LA - ru ID - TMF_2003_135_3_a2 ER -