TY - JOUR AU - Timothy Nguyen TI - A lower bound on the radius of analyticity of a power series in a real Banach space JO - Studia Mathematica PY - 2009 SP - 171 EP - 179 VL - 191 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4064/sm191-2-5/ DO - 10.4064/sm191-2-5 LA - en ID - 10_4064_sm191_2_5 ER -