%0 Journal Article %A N. S. Bakhvalov %A A. V. Knyazev %T Effective computation of averaged characteristics of composites of %J Doklady Akademii Nauk %D 1990 %P 777-781 %V 313 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a0/ %G ru %F DAN_1990_313_4_a0