%0 Journal Article %A G. P. Panasenko %T Higher order asymptotics of solutions of problems on the contact of periodic structures %J Sbornik. Mathematics %D 1981 %P 465-494 %V 38 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1981_38_4_a2/ %G en %F SM_1981_38_4_a2