%0 Journal Article %A S. S. Moiseev %A R. Z. Sagdeev %A A. V. Tour %A V. V. Yanovskii %T Modulation instobffities in a system of coupled oscillations of inhomogeneous continous medium %J Doklady Akademii Nauk %D 1981 %P 601-604 %V 258 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1981_258_3_a22/ %G ru %F DAN_1981_258_3_a22