%0 Journal Article %A M. M. Malamud %T An estimate for differential operators in uniform norm, and coercivity in S. L. Sobolev spaces %J Doklady Akademii Nauk %D 1988 %P 32-36 %V 298 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_298_1_a6/ %G ru %F DAN_1988_298_1_a6