Augmented Lagrangian methods applications to the numerical solution of boundary-value problems

Nonlinear partial differential equations in applied science proceedings of the U.S.-Japan seminar, Tokyo, 1982

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

Nonlinear partial differential equations sequential and weak solutions

The finite element method for elliptic problems

Global theory of a second order linear ordinary differential equation with a polynomial coefficient

Matched asymptotic expansions and singular perturbations

The method of weighted residuals and variational principles with application in fluid mechanics, heat and mass transfer

Dynamic programming and partial differential equations

Numerical solution of ordinary differential equations

Iterative solution of elliptic systems, and applications to the neutron diffusion equations of reactor physics