@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/