TY - JOUR AU - Ryotaro Sato TI - Solvability of the functional equation $f=(T-I)h$ for vector-valued functions JO - Colloquium Mathematicum PY - 2004 SP - 253 EP - 265 VL - 99 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm99-2-9/ DO - 10.4064/cm99-2-9 LA - en ID - 10_4064_cm99_2_9 ER -