%0 Journal Article %A O. A. Oleinik %A T. A. Shaposhnikova %T On a method for constructing approximations in the averaging problem in a partially punctured domain %J Differencialʹnye uravneniâ %D 1994 %P 1994-2000 %V 30 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_11_a16/ %G ru %F DE_1994_30_11_a16