%0 Journal Article %A Duggal, B. P. %T On the spectrum of n-tuples of p-hyponormal operators %J Glasgow mathematical journal %D 1998 %P 123-131 %V 40 %N 1 %U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032419/ %R 10.1017/S0017089500032419 %F 10_1017_S0017089500032419