@article{MZ_1973__130_171861,
     author = {Christan U. Jensen and Soren Jondrup},
     title = {Centres and {Fixed-Point} {Rings} of {Artinian} {Rings.}},
     journal = {Mathematische Zeitschrift},
     pages = {189--198},
     publisher = {mathdoc},
     volume = {130},
     year = {1973},
     zbl = {0247.16008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__130_171861/}
}