Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions (Lecture Notes in Mathematics, 858)
Discontinuous Cebysev Systems (Lecture Notes in Mathematics, 707)
Almost Periodic Differential Equations (Lecture Notes in Mathematics, 377)
Oscillation Theory (Lecture Notes in Mathematics, 324)
Local Theory of Nonlinear Analytic Ordinary Differential Equations (Lecture Notes in Mathematics, 702)
Bessel Polynomials (Lecture Notes in Mathematics, 698)
Asymptotic Behavior and Stability Problems in Ordinary Differential Equations
Non-Oscillation Domains of Differential Equations with Two Parameters (Lecture Notes in Mathematics, 1338)
Coincidence Degree and Nonlinear Differential Equations (Lecture Notes in Mathematics, No.568) (Lecture Notes in Mathematics, 568)
Asymptotic Analysis for Integrable Connections with Irregular Singular Points (Lecture Notes in Mathematics, 1075)
