%0 Journal Article %A A. D. Morozov %A K. E. Morozov %T On Quasi-Periodic Parametric Perturbations of Hamiltonian Systems %J Russian journal of nonlinear dynamics %D 2020 %P 369-378 %V 16 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2020_16_2_a9/ %G en %F ND_2020_16_2_a9