%0 Journal Article
%A V. F. Kovalenko
%A Yu. A. Semenov
%T $C_0$-semigroups in the spaces $L^p(\mathbf R^d)$ and $\widehat C(\mathbf R^d)$ generated by the differential expression $\Delta+b\cdot \nabla$
%J Teoriâ veroâtnostej i ee primeneniâ
%D 1990
%P 449-458
%V 35
%N 3
%U http://geodesic.mathdoc.fr/item/TVP_1990_35_3_a3/
%G ru
%F TVP_1990_35_3_a3