%0 Journal Article %A I. V. Gel'man %A V. G. Maz'ya %T Estimates on the boundary for differential operators with constant coefficients in a~half-space %J Izvestiya. Mathematics %D 1974 %P 667-726 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1974_8_3_a11/ %G en %F IM2_1974_8_3_a11