@article{JRAM_1969__0239_0240_150968,
     author = {H. Leptin},
     title = {Die symmetrische {Algebra} eines {Banaschen} {Raumes.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {163--168},
     publisher = {mathdoc},
     volume = {0239_0240},
     year = {1969},
     zbl = {0186.19702},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__0239_0240_150968/}
}