Lecture notes on differential equations

Numerical solution of differential equations

Stochastic differential equations and diffusion processes

Nonlinear differential equations in abstract spaces

Differential equations and applications in ecology, epidemics, and population problems proceedings of a Conference on Differential Equations and Applications in Ecology, Epidemnics [sic], and Population Problems, held in Claremont, California, January 10-11, 1981

Seminar on singularities of solutions of linear partial differential equations

Analytical and numerical approaches to asymptotic problems in analysis proceedings of the Conference on Analytical and Numerical approaches to Asymptotic Problems, University of Nijmegen, the Netherlands, June 9-13, 1980

Maximum principles and their applications