@article{bwmeta1.element.bwnjournal-article-smv28i1p19bwm,
author = {Edwin Wagner},
title = {Continuity of operator functions},
journal = {Studia Mathematica},
volume = {28},
year = {1967},
pages = {245-251},
zbl = {0154.38405},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-smv28i1p19bwm}
}
Wagner, Edwin. Continuity of operator functions. Studia Mathematica, Tome 28 (1967) pp. 245-251. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-smv28i1p19bwm/