TY - JOUR AU - KARAEV, M. T. AU - PEHLIVAN, S. TI - SOME RESULTS FOR QUADRATIC ELEMENTS OF A BANACH ALGEBRA JO - Glasgow mathematical journal PY - 2004 SP - 431 EP - 441 VL - 46 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089504001910/ DO - 10.1017/S0017089504001910 ID - 10_1017_S0017089504001910 ER -