@article{JRAM_1981__321_152303,
     author = {Jean Esterle},
     title = {Universal properties of some commutative radical {Banach} algebras.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--24},
     year = {1981},
     volume = {321},
     zbl = {0438.46037},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1981__321_152303/}
}