%0 Journal Article
%A Yang, Youngoh
%T On a class of operators
%J Glasgow mathematical journal
%D 1998
%P 237-240
%V 40
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032559/
%R 10.1017/S0017089500032559
%F 10_1017_S0017089500032559