%0 Journal Article %A P. E. Sobolevskii %T Elliptic and parabolic operators in $C$ %J Doklady Akademii Nauk %D 1988 %P 815-819 %V 298 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1988_298_4_a9/ %G ru %F DAN_1988_298_4_a9