@article{TVP_1990_35_3_a3,
     author = {V. F. Kovalenko and Yu. A. Semenov},
     title = {$C_0$-semigroups in the spaces $L^p(\mathbf R^d)$ and $\widehat C(\mathbf R^d)$ generated by the differential expression $\Delta+b\cdot \nabla$},
     journal = {Teori\^a vero\^atnostej i ee primeneni\^a},
     pages = {449--458},
     year = {1990},
     volume = {35},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TVP_1990_35_3_a3/}
}