%0 Journal Article %A V. G. Lezhnev %T Decrease of the solution of a certain boundary value problem for an equation of Sobolev %J Differencialʹnye uravneniâ %D 1973 %P 511-526 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_3_a13/ %G ru %F DE_1973_9_3_a13