Asymptotic Behavior and Stability Problems in Ordinary Differential Equations
Eigenvalue Distribution of Compact Operators (Operator Theory: Advances and Applications)
Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions (Lecture Notes in Mathematics, 858)
Spectral Theory
Disconjugacy (Lecture Notes in Mathematics, 220)
Oscillation Theory of Two-Term Differential Equations
Refined Iterative Methods for Computation of the Solution and the Eigenvalues of Self-Adjoint Boundary Value Problems (Mitteilungen aus dem Institut für Angewandte Mathematik)
Periodic Differential Operators
Algebraic Methods for Toeplitz-like Matrices and Operators (Operator Theory: Advances and Applications)
Theory of a Higher-Order Sturm-Liouville Equation (Lecture Notes in Mathematics, 1659)
