%L acta16302
%A  Li Chi-Kwong
%A  Poon Yiu Tung
%P 289-297
%V 75
%N 1-2
%T Davis-Wielandt shells of normal operators
%O Bibliogr.: p. 296-297.; Abstract
%K Matematika
%D 2009
%J Acta scientiarum mathematicarum