%0 Journal Article %A O. P. Filatov %T Stability of multifrequency systems in the case of resonance without synchronization of phase variables %J Differencialʹnye uravneniâ %D 1983 %P 543-546 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a26/ %G ru %F DE_1983_19_3_a26