@article{bwmeta1.element.bwnjournal-article-smv86i1p16bwm,
author = {Andrzej So\l tysiak},
title = {Approximate point joint spectra and multiplicative functionals},
journal = {Studia Mathematica},
volume = {85},
year = {1987},
pages = {277-286},
zbl = {0646.46041},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv86i1p16bwm}
}
Sołtysiak, Andrzej. Approximate point joint spectra and multiplicative functionals. Studia Mathematica, Tome 85 (1987) pp. 277-286. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv86i1p16bwm/