%0 Journal Article
%A Lin, C.-S.
%T Boundary Points of the Numerical Range of an Operator
%J Canadian mathematical bulletin
%D 1975
%P 689-692
%V 17
%N 5
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-125-5/
%R 10.4153/CMB-1974-125-5
%F 10_4153_CMB_1974_125_5