TY - JOUR AU - S. A. Lomov AU - V. F. Safonov TI - Regularization method for systems with a~weak nonlinearity in the resonance case JO - Matematičeskie zametki PY - 1979 SP - 871 EP - 889 VL - 25 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1979_25_6_a6/ LA - ru ID - MZM_1979_25_6_a6 ER -