TY - JOUR AU - Rudol, K. TI - The spectrum of orthogonal sums of subnormal pairs JO - Glasgow mathematical journal PY - 1988 SP - 11 EP - 15 VL - 30 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006984/ DO - 10.1017/S0017089500006984 ID - 10_1017_S0017089500006984 ER -