%0 Journal Article %A N. A. Loboda %T Comparing the spectra of wandering exponents of a nonlinear two-dimensional system and a first approximation %J Vestnik rossijskih universitetov. Matematika %D 2024 %P 176-187 %V 29 %N 146 %I mathdoc %U http://geodesic.mathdoc.fr/item/VTAMU_2024_29_146_a4/ %G ru %F VTAMU_2024_29_146_a4