Algebraic Methods for Toeplitz-like Matrices and Operators (Operator Theory: Advances and Applications)
Topics in Operator Theory: Constantin Apostol Memorial Issue (Operator Theory: Advances and Applications)
Refined Iterative Methods for Computation of the Solution and the Eigenvalues of Self-Adjoint Boundary Value Problems (Mitteilungen aus dem Institut für Angewandte Mathematik)
Contributions to Operator Theory and its Applications Proceedings of the Conference on Operator Theory and Functional Analysis, Mesa, Arizona, June 11–14, 1987
Analysis of Toeplitz Operators
Norm Ideals of Completely Continuous Operators
Vanishing Theorems on Complex Manifolds (Progress in Mathematics)
An Oscillation Theorem for Algebraic Eigenvalue Problems and its Applications
Minimal Factorization of Matrix and Operator Functions (Operator Theory: Advances and Applications, 1)
Sturm-Liouville Operators and Applications (Operator Theory: Advances and Applications) (German Edition)