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@article{MAN_1983__265_163818, author = {J. Eric Brosius}, title = {Rank-2 {Vector} {Bundles} on a {Ruled} {Surface.} {I.}}, journal = {Mathematische Annalen}, pages = {155--168}, publisher = {mathdoc}, volume = {265}, year = {1983}, zbl = {0503.55012}, url = {http://geodesic.mathdoc.fr/item/MAN_1983__265_163818/} }
J. Eric Brosius. Rank-2 Vector Bundles on a Ruled Surface. I.. Mathematische Annalen, Tome 265 (1983), pp. 155-168. http://geodesic.mathdoc.fr/item/MAN_1983__265_163818/