%0 Journal Article %A Fialkow, Lawrence A. %T A Note on Unitary Cross Sections for Operators %J Canadian journal of mathematics %D 1978 %P 1215-1227 %V 30 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-101-8/ %R 10.4153/CJM-1978-101-8 %F 10_4153_CJM_1978_101_8