@article{MZ_1985__190_173626,
     author = {Regina Wille},
     title = {The {Theorem} of {Gleason-Kahane-Zelazko} in a {Commutative} {Symmetric} {Banach} {Algebra.}},
     journal = {Mathematische Zeitschrift},
     pages = {301--304},
     publisher = {mathdoc},
     volume = {190},
     year = {1985},
     zbl = {0586.46043},
     url = {http://geodesic.mathdoc.fr/item/MZ_1985__190_173626/}
}