@article{IM_1974__23_142266,
     author = {A.W. Mason and W.W. Stothers},
     title = {On {Subgroups} of {GL(n,} {A)} which {Are} {Generated} by {Commutators.}},
     journal = {Inventiones mathematicae},
     pages = {327--346},
     publisher = {mathdoc},
     volume = {23},
     year = {1974},
     zbl = {0278.20045},
     url = {http://geodesic.mathdoc.fr/item/IM_1974__23_142266/}
}