%0 Journal Article %A L. V. Berlyand %A I. Yu. Chudinovich %T Averaging of boundary value problems for higher-order differential %J Doklady Akademii Nauk %D 1983 %P 777-780 %V 272 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_272_4_a0/ %G ru %F DAN_1983_272_4_a0