%0 Journal Article %A O. A. Oleinik %A G. Tronel %A T. A. Shaposhnikova %T On the averaging of the Laplace operator in a domain, a part of which contains periodically located channels with Neumann conditions on their boundary %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1996 %P 14-27 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1996_5_a2/ %G ru %F VMUMM_1996_5_a2