@article{urn:eudml:doc:39893, title = {CL-spaces and numerical radius attaining operators.}, journal = {Extracta Mathematicae}, volume = {5}, year = {1990}, pages = {138-140}, zbl = {0743.47026}, mrnumber = {MR1125685}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:39893} }
Acosta, María D. CL-spaces and numerical radius attaining operators.. Extracta Mathematicae, Tome 5 (1990) pp. 138-140. http://gdmltest.u-ga.fr/item/urn:eudml:doc:39893/