New Developments in Differential Equations: Proceedings of the Second Scheveningen Conference on Differential Equations, the Netherlands, August 25-29, 1975

Studies in Non-Linear Stability Theory

Trends in Applications of Mathematics to Mechanics: Proceedings of the 7th Symposium, Held in Wassenaar, the Netherlands, December 7-11, 1987

The Inverse Scattering Transformation and the Theory of Solitons: An Introduction

Matched Asymptotic Expansions and Singular Perturbations