@article{MZ_1996__223_3_174937,
     author = {Gerald Hessenberger},
     title = {A spectral characterization of the socle of {Banach} {Jordan} systems.},
     journal = {Mathematische Zeitschrift},
     pages = {561--568},
     publisher = {mathdoc},
     volume = {223},
     number = {3},
     year = {1996},
     zbl = {0874.46033},
     url = {http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174937/}
}