%0 Journal Article
%A Kim, Mee-Kyoung
%A Ko, Eungil
%T Square roots of hyponormaloperators
%J Glasgow mathematical journal
%D 1999
%P 463-470
%V 41
%N 3
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089599000178/
%R 10.1017/S0017089599000178
%F 10_1017_S0017089599000178