@article{MZ_1972__128_171810,
     author = {Hanns Joachim Weinert},
     title = {Zur {Theorie} {Levitzkischer} {Radikaler} in {Halbringen.}},
     journal = {Mathematische Zeitschrift},
     pages = {325--342},
     year = {1972},
     volume = {128},
     zbl = {0261.16020},
     url = {http://geodesic.mathdoc.fr/item/MZ_1972__128_171810/}
}