%0 Journal Article %A O. L. Bezrukova %A N. S. Dairbekov %A A. P. Kopylov %T On mappings close in the $C$-norm to classes of solutions of linear elliptic systems of partial differential equations %J Matematičeskie trudy %D 1987 %P 19-30 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/MT_1987_7_a1/ %G ru %F MT_1987_7_a1