TY - JOUR AU - A. V. Abramyan AU - V. A. Nogin TI - Complex Powers of Some Second-Order Differential Operators with Constant Complex Coefficients in $L_p$-Spaces JO - Differencialʹnye uravneniâ PY - 2001 SP - 1115 EP - 1117 VL - 37 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2001_37_8_a9/ LA - ru ID - DE_2001_37_8_a9 ER -