@article{05054222,
title = {Maximum module principle for power series on a Banach algebra.},
journal = {Divulgaciones Matem\'aticas},
volume = {12},
year = {2004},
pages = {155-160},
zbl = {1099.32001},
language = {en},
url = {http://dml.mathdoc.fr/item/05054222}
}
Bezanilla L., Arnoldo; Contreras J., Roberto. Maximum module principle for power series on a Banach algebra.. Divulgaciones Matemáticas, Tome 12 (2004) pp. 155-160. http://gdmltest.u-ga.fr/item/05054222/