@article{urn:eudml:doc:38245,
title = {Numerical radius attaining operators.},
journal = {Extracta Mathematicae},
volume = {2},
year = {1987},
pages = {74-76},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:38245}
}
Acosta, María D.; Payá Albert, Rafael. Numerical radius attaining operators.. Extracta Mathematicae, Tome 2 (1987) pp. 74-76. http://gdmltest.u-ga.fr/item/urn:eudml:doc:38245/