@article{10_4153_CJM_1979_057_1,
     author = {Chacron, M.},
     title = {Unitaries in {Simple} {Artinian} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {542--557},
     year = {1979},
     volume = {31},
     number = {3},
     doi = {10.4153/CJM-1979-057-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1979-057-1/}
}