%0 Journal Article %A I. V. Andrianov %T Sequential construction of asymptotic solutions in essentially nonlinear systems %J Doklady Akademii Nauk %D 1994 %P 194-195 %V 337 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1994_337_2_a11/ %G ru %F DAN_1994_337_2_a11