%0 Journal Article %A R. Z. Dautov %T A scheme of accuracy $O(h^2\ln^\alpha(1/h))$ for determining the free boundary in a problem with an obstacle inside the domain %J Differencialʹnye uravneniâ %D 1995 %P 1202-1210 %V 31 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1995_31_7_a12/ %G ru %F DE_1995_31_7_a12