%0 Journal Article %A J. Janas %T Spectral inclusion theorems for commuting subnormal pair %J Commentationes Mathematicae %D 1983 %P 219-229 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i2.6058/ %R 10.14708/cm.v23i2.6058 %G pl %F 10_14708_cm_v23i2_6058