@article{bwmeta1.element.bwnjournal-article-smv67i1p1bwm,
author = {Jaroslav Zem\'anek},
title = {Spectral characterization of two-sided ideals in Banach algebras},
journal = {Studia Mathematica},
volume = {67},
year = {1980},
pages = {1-12},
zbl = {0446.46041},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv67i1p1bwm}
}
Zemánek, Jaroslav. Spectral characterization of two-sided ideals in Banach algebras. Studia Mathematica, Tome 67 (1980) pp. 1-12. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv67i1p1bwm/