%0 Journal Article %A G. M. Zaslavsky %A S. S. Moiseev %A R. Z. Sagdeev %T Asymptotic method of solving a fourth-order differential equation with two small parameters in the hydrodynamic theory of stability %J Doklady Akademii Nauk %D 1964 %P 1295-1298 %V 158 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1964_158_6_a14/ %G ru %F DAN_1964_158_6_a14