%0 Journal Article %A A. Yu. Vorob'ev %A T. A. Shaposhnikova %T Averaging of a problem with an obstacle %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2003 %P 8-17 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2003_5_a1/ %G ru %F VMUMM_2003_5_a1