%0 Journal Article %A A. V. Boluchevskaya %T Smooth approximation for the solutions of elliptic systems %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2011 %P 21-28 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGU_2011_8_a1/ %G ru %F VSGU_2011_8_a1