%0 Journal Article %A V. A. Solonnikov %T General boundary value problems for Douglis--Nirenberg elliptic systems.~II %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1966 %P 233-297 %V 92 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1966_92_a14/ %G ru %F TM_1966_92_a14