TY - JOUR AU - K. E. Morozov AU - A. D. Morozov TI - Quasi-Periodic Parametric Perturbations of Two-Dimensional Hamiltonian Systems: Degenerate Resonances and Synchronization JO - Russian journal of nonlinear dynamics PY - 2025 SP - 33 EP - 48 VL - 21 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ND_2025_21_1_a3/ LA - en ID - ND_2025_21_1_a3 ER -