Poincaré families and automorphisms of principal bundles on a curve

Indranil Biswas; Norbert Hoffmann

Comptes Rendus. Mathématique, Volume 347 (2009) p. 1285-1288

On semistable vector bundles over curves

Indranil Biswas; Georg Hein; Norbert Hoffmann

Comptes Rendus. Mathématique, Volume 346 (2008) p. 981-984