TY - JOUR AU - Chō, Muneo TI - Semi-normal operators on uniformly smooth Banach spaces JO - Glasgow mathematical journal PY - 1990 SP - 273 EP - 276 VL - 32 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500009356/ DO - 10.1017/S0017089500009356 ID - 10_1017_S0017089500009356 ER -