@article{MZM_2021_109_5_a7,
     author = {E. M. Novikova},
     title = {New {Approach} to the {Procedure} of {Quantum} {Averaging} for the {Hamiltonian} of a {Resonance} {Harmonic} {Oscillator} with {Polynomial} {Perturbation} for the {Example} of the {Spectral} {Problem} for the {Cylindrical} {Penning} {Trap}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {747--767},
     publisher = {mathdoc},
     volume = {109},
     number = {5},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_5_a7/}
}