%0 Journal Article %A M. M. Sirazhudinov %T Boundary-value problems for general elliptic systems in the plane %J Izvestiya. Mathematics %D 1997 %P 1031-1068 %V 61 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1997_61_5_a5/ %G en %F IM2_1997_61_5_a5