%0 Journal Article %A V. V. Amel'kin %T Superharmonic oscillations of totally integrable linear systems %J Differencialʹnye uravneniâ %D 1980 %P 2089-2091 %V 16 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1980_16_11_a19/ %G ru %F DE_1980_16_11_a19