@article{10_4153_CJM_1982_094_1,
     author = {Coelho, S\^onia P.},
     title = {Group {Rings} with {Units} of {Bounded} {Exponent} over the {Center}},
     journal = {Canadian journal of mathematics},
     pages = {1349--1364},
     year = {1982},
     volume = {34},
     number = {6},
     doi = {10.4153/CJM-1982-094-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-094-1/}
}