%0 Journal Article %A S. I. Yanov %T On the behavior as $t\to\infty$ of the solution of the first exterior mixed problem for the Sobolev system %J Differencialʹnye uravneniâ %D 1998 %P 554-558 %V 34 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_4_a16/ %G ru %F DE_1998_34_4_a16