@article{MZM_2021_109_4_a2,
     author = {S. D. Glyzin and A. Yu. Kolesov and N. Kh. Rozov},
     title = {On the {Existence} and {Stability} of an {Infinite-Dimensional} {Invariant} {Torus}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {508--528},
     publisher = {mathdoc},
     volume = {109},
     number = {4},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2021_109_4_a2/}
}