TY - JOUR AU - Olavi Nevanlinna TI - Resolvent conditions and powers of operators JO - Studia Mathematica PY - 2001 SP - 113 EP - 134 VL - 145 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm145-2-2/ DO - 10.4064/sm145-2-2 LA - en ID - 10_4064_sm145_2_2 ER -