%0 Journal Article %A S. P. Tokarev %T Analytic equivalence of systems of differential equations in the neighborhood of an exponentially stable invariant torus %J Differencialʹnye uravneniâ %D 1983 %P 540-543 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a25/ %G ru %F DE_1983_19_3_a25