@article{CMH_1984__59_139994,
     author = {Hubert Flenner},
     title = {Restrictions of semistable bundles on projective varieties.},
     journal = {Commentarii mathematici Helvetici},
     pages = {635--650},
     year = {1984},
     volume = {59},
     zbl = {0599.14015},
     url = {http://geodesic.mathdoc.fr/item/CMH_1984__59_139994/}
}