@article{MZ_1972__125_171691,
     author = {L. Andrew Campbell and Norman L. Alling},
     title = {Real {Banach} {Algebras.} {II.}},
     journal = {Mathematische Zeitschrift},
     pages = {79--100},
     publisher = {mathdoc},
     volume = {125},
     year = {1972},
     zbl = {0216.41301},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__125_171691/}
}