%0 Journal Article %A Yu. Z. Miropol'skii %T On the instability of weakly nonlinear waves in anisotropic dispersive media applied to internal gravitational waves and Rossby waves %J Doklady Akademii Nauk %D 1975 %P 848-851 %V 223 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_223_4_a19/ %G ru %F DAN_1975_223_4_a19