%0 Journal Article %A A. D. Dzhuraev %T On the theory of boundary value problems for elliptic systems of %J Doklady Akademii Nauk %D 1986 %P 525-528 %V 289 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1986_289_3_a1/ %G ru %F DAN_1986_289_3_a1