%0 Journal Article %A V. V. Zhikov %T Spectral approach to asymptotic diffusion problems %J Differencialʹnye uravneniâ %D 1989 %P 44-50 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1989_25_1_a5/ %G ru %F DE_1989_25_1_a5