TY - JOUR AU - Graham R. Allan TI - An analytic approach to the spectral characterization of the radical JO - Studia Mathematica PY - 2008 SP - 11 EP - 14 VL - 186 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/sm186-1-2/ DO - 10.4064/sm186-1-2 LA - en ID - 10_4064_sm186_1_2 ER -