%0 Journal Article %A V. I. Zubov %T Vibrational effects in linear and nonlinear systems %J Doklady Akademii Nauk %D 1989 %P 777-778 %V 305 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_305_4_a0/ %G ru %F DAN_1989_305_4_a0