%0 Journal Article %A A. M. Samoilenko %A Yu. V. Teplinskii %T On the smoothness of an invariant torus of a countable linear extension of a dynamical system on an $m$-dimensional torus %J Differencialʹnye uravneniâ %D 1994 %P 781-790 %V 30 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_5_a5/ %G ru %F DE_1994_30_5_a5