@article{RSMUP_1986__76__269_0,
     author = {Streb, Walter},
     title = {Potenzen von invarianten {Untergruppen} in {Ringen} mit {Involution}},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {269--284},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {76},
     year = {1986},
     mrnumber = {881575},
     zbl = {0618.16010},
     language = {de},
     url = {http://www.numdam.org/item/RSMUP_1986__76__269_0/}
}