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@article{PIM_1972_N_S_14_28_a7, author = {S. A. Hoq}, title = {Automorphisms {Of} {Exact} {Sequences}}, journal = {Publications de l'Institut Math\'ematique}, pages = {67 }, publisher = {mathdoc}, volume = {_N_S_14}, number = {28}, year = {1972}, url = {http://geodesic.mathdoc.fr/item/PIM_1972_N_S_14_28_a7/} }
S. A. Hoq. Automorphisms Of Exact Sequences. Publications de l'Institut Mathématique, _N_S_14 (1972) no. 28, p. 67 . http://geodesic.mathdoc.fr/item/PIM_1972_N_S_14_28_a7/