A generalization of a result of Cohen-Hewitt is given in the case of Jordan-Banach algebras. Some precisions of factorization are obtained.
@article{urn:eudml:doc:40062,
title = {Th\'eor\`emes de factorisation dans les alg\`ebres completes de Jordan.},
journal = {Collectanea Mathematica},
volume = {46},
year = {1995},
pages = {239-254},
zbl = {0861.46030},
mrnumber = {MR1380365},
language = {fr},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:40062}
}
Akkar, M.; Laayouni, M. Théorèmes de factorisation dans les algèbres completes de Jordan.. Collectanea Mathematica, Tome 46 (1995) pp. 239-254. http://gdmltest.u-ga.fr/item/urn:eudml:doc:40062/