@article{GDZPPN002303930,
title = {The Gelfand Degree of a Topological Algebra.},
journal = {Mathematische Annalen},
volume = {189},
year = {1970},
pages = {285-298},
zbl = {0194.15501},
url = {http://dml.mathdoc.fr/item/GDZPPN002303930}
}
DIETRICH, W.E.jr. The Gelfand Degree of a Topological Algebra.. Mathematische Annalen, Tome 189 (1970) pp. 285-298. http://gdmltest.u-ga.fr/item/GDZPPN002303930/