Spatial numerical ranges of elements of Banach algebras.
Gaur, A.K. ; Husain, T.
International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989), p. 633-640 / Harvested from The Electronic Library of Mathematics
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Publié le : 1989-01-01
DOI : https://doi.org/10.1155/S0161171289000785
EUDML-ID : urn:eudml:doc:46565 
@article{04186390,
     title = {Spatial numerical ranges of elements of Banach algebras.},
     journal = {International Journal of Mathematics and Mathematical Sciences},
     volume = {12},
     year = {1989},
     pages = {633-640},
     doi = {10.1155/S0161171289000785},
     zbl = {0719.46025},
     language = {en},
     url = {http://dml.mathdoc.fr/item/04186390}
}

Gaur, A.K.; Husain, T. Spatial numerical ranges of elements of Banach algebras.. International Journal of Mathematics and Mathematical Sciences, Tome 12 (1989) pp. 633-640. doi : 10.1155/S0161171289000785. http://gdmltest.u-ga.fr/item/04186390/