@article{10_4153_CJM_1976_042_2,
     author = {Hurley, James F.},
     title = {Normality in {Elementary} {Subgroups} of {Chevalley} {Groups} {Over} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {420--428},
     year = {1976},
     volume = {28},
     number = {2},
     doi = {10.4153/CJM-1976-042-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-042-2/}
}