%0 Journal Article %A P. I. Naumkin %A I. A. Shishmarev %T On the asymptotic behavior for large time values of solutions of a %J Doklady Akademii Nauk %D 1990 %P 1357-1360 %V 315 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_315_6_a17/ %G ru %F DAN_1990_315_6_a17