The numerical treatment of differential equations

Functional Analysis and Numerical Mathematics

Optimization Problems

Konstruktive Methoden der finiten nichtlinearen Optimierung

Funktionalanalysis und numerische Mathematik

Differentialgleichungen

Numerical Methods of Approximation Theory

Numerical Treatment of Eigenvalue Problems

Numerical Methods of Approximation

Constructive Methods for Nonlinear Boundary Value Problems and Nonlinear Oscillations

The Numerical Treatment of Differential Equations (Grundlehren der mathematischen Wissenschaften)