%0 Journal Article %A L. R. Volevich %T On the theory of boundary-value problems for general elliptic systems %J Doklady Akademii Nauk %D 1963 %P 489-492 %V 148 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1963_148_3_a0/ %G ru %F DAN_1963_148_3_a0