%0 Journal Article
%A Crabb, M. J.
%A Spain, P. G.
%T Commutators and normal operators
%J Glasgow mathematical journal
%D 1977
%P 197-198
%V 18
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S001708950000327X/
%R 10.1017/S001708950000327X
%F 10_1017_S001708950000327X