%0 Journal Article %A A. V. Abramyan %A V. A. Nogin %T Complex Powers of Some Second-Order Differential Operators with Constant Complex Coefficients in $L_p$-Spaces %J Differencialʹnye uravneniâ %D 2001 %P 1115-1117 %V 37 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2001_37_8_a9/ %G ru %F DE_2001_37_8_a9