%0 Journal Article %A O. V. Kholostova %T On Nonlinear Oscillations of a Near-Autonomous Hamiltonian System in One Case of Integer Nonequal Frequencies %J Russian journal of nonlinear dynamics %D 2023 %P 447-471 %V 19 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2023_19_4_a0/ %G en %F ND_2023_19_4_a0