@article{ND_2023_19_4_a0,
     author = {O. V. Kholostova},
     title = {On {Nonlinear} {Oscillations} of a {Near-Autonomous} {Hamiltonian} {System} in {One} {Case} of {Integer} {Nonequal} {Frequencies}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {447--471},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ND_2023_19_4_a0/}
}