%0 Journal Article %A L. N. Germanovich %T Effective characteristics of a medium with inclusions in a %J Doklady Akademii Nauk %D 1989 %P 1356-1362 %V 306 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1989_306_6_a17/ %G ru %F DAN_1989_306_6_a17