@article{01453200,
title = {Geometry of numerical ranges in locally },
journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
volume = {19},
year = {2000},
pages = {3-12},
zbl = {0965.46037},
language = {en},
url = {http://dml.mathdoc.fr/item/01453200}
}
Chryssakis, Th. Geometry of numerical ranges in locally . Zeitschrift für Analysis und ihre Anwendungen, Tome 19 (2000) pp. 3-12. http://gdmltest.u-ga.fr/item/01453200/