%0 Journal Article %A M. B. Abrahamse %T Some examples on lifting the commutant of a subnormal operator %J Annales Polonici Mathematici %D 1980 %P 289-298 %V 37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-37-3-289-298/ %R 10.4064/ap-37-3-289-298 %G en %F 10_4064_ap_37_3_289_298