%0 Journal Article %A E. A. Yakovleva %T Averaging with respect to two small parameters of an elliptic equation with rapidly oscillating coefficients %J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki %D 1981 %P 1039-1045 %V 21 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZVMMF_1981_21_4_a20/ %G ru %F ZVMMF_1981_21_4_a20