%0 Journal Article %A M. M. Khapaev %A K. V. Mal'kov %T Asymptotic behavior of solutions of differential equations with %J Doklady Akademii Nauk %D 1986 %P 800-805 %V 290 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_290_4_a6/ %G ru %F DAN_1986_290_4_a6