%0 Journal Article
%A Putnam, C. R.
%T The Spectra of Semi-Normal Singular Integral Operators
%J Canadian journal of mathematics
%D 1970
%P 134-150
%V 22
%N 1
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-017-7/
%R 10.4153/CJM-1970-017-7
%F 10_4153_CJM_1970_017_7