Rank-2 Vector Bundles on a Ruled Surface. I.
Reflexive Garben vom Rang r > 2 auf ...
Relative vanishing theorems I: applications to ample divisors.
Remarques sur les ouverts localement de Stein.
Restriction of stable sheaves and representations of the fundamental group.
Riemann-Roch Theorem for Strongly Pseudoconvex Manifolds of Dimension 2.