@article{MZ_1993__212_4_174489,
     author = {I. Brambila-Paz},
     title = {Non-simple semistable vector bundles over a curve.},
     journal = {Mathematische Zeitschrift},
     pages = {301--310},
     year = {1993},
     volume = {212},
     number = {4},
     zbl = {0790.14018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174489/}
}