@article{10_4153_CJM_1976_092_4,
     author = {Milies, C\'esar Polcino},
     title = {Integral {Group} {Rings} with {Nilpotent} {Unit} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {954--960},
     year = {1976},
     volume = {28},
     number = {5},
     doi = {10.4153/CJM-1976-092-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-092-4/}
}