%0 Journal Article %A P. I. Naumkin %A I. A. Shishmarev %T On the asymptotic behavior as $t\to\infty$ of solutions of some %J Doklady Akademii Nauk %D 1991 %P 290-293 %V 321 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_321_2_a12/ %G ru %F DAN_1991_321_2_a12