%0 Journal Article %A M. O. Otelbaev %T Coercive estimates and separability theorems for elliptic equations in $R^n$ %J Informatics and Automation %D 1983 %P 195-217 %V 161 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1983_161_a10/ %G ru %F TRSPY_1983_161_a10