%0 Journal Article %A G. E. Shilov %T On the boundary value problems in a~quadrant for partial differential equations with constant coefficients %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1960 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1960_15_4_a25/ %G ru %F RM_1960_15_4_a25