%0 Journal Article %A L. A. Kalyakin %T Long-wave asymptotics of solutions of nonlinear systems of %J Doklady Akademii Nauk %D 1986 %P 809-813 %V 288 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_288_4_a7/ %G ru %F DAN_1986_288_4_a7