%0 Journal Article %A V. G. Lezhnev %T The asymptotic behavior as $t\rightarrow \infty $ of the solution of a certain exterior boundary value problem for Sobolev's equation %J Differencialʹnye uravneniâ %D 1969 %P 159-173 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1969_5_1_a12/ %G ru %F DE_1969_5_1_a12