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@article{CM_1990__74_2_157_0, author = {Vaserstein, L. N.}, title = {On normal subgroups of $\mathrm {GL}_2$ over rings with many units}, journal = {Compositio Mathematica}, pages = {157--164}, publisher = {Kluwer Academic Publishers}, volume = {74}, number = {2}, year = {1990}, mrnumber = {1047737}, zbl = {0697.20040}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1990__74_2_157_0/} }
TY - JOUR AU - Vaserstein, L. N. TI - On normal subgroups of $\mathrm {GL}_2$ over rings with many units JO - Compositio Mathematica PY - 1990 SP - 157 EP - 164 VL - 74 IS - 2 PB - Kluwer Academic Publishers UR - http://geodesic.mathdoc.fr/item/CM_1990__74_2_157_0/ LA - en ID - CM_1990__74_2_157_0 ER -
Vaserstein, L. N. On normal subgroups of $\mathrm {GL}_2$ over rings with many units. Compositio Mathematica, Tome 74 (1990) no. 2, pp. 157-164. http://geodesic.mathdoc.fr/item/CM_1990__74_2_157_0/