InhaltsangabeOn the identification of systems and some related questions.- Invariant imbedding: Semigroups in time, space and structure.- Minimisation de Fonctionnelles Non-Differentiables.- Nonlinear integral equations and field approximation problems.- Some modified eigenvalue problems.- On difference schemes for parabolic differential equations with derivative boundary conditions.- Cell discretization.- Circular arithmetic and the determination of polynomial zeros.- Computation of the moments of solutions of certain random two point boundary value problems.- Stabilite et Precision des Schemas DSN pour l'Equation de Transport en Geometrie Spherique.- Some applications of the numerical solution of integral equations to boundary value problems.- On the inverse eigenvalue problem for matrices and related problems for difference and differential equations.- The differential correction algorithm for rational L? approximation.- Resolution Numerique de Certains Problemes Hyperboliques non Lineaires. Methode de Pseudo-Viscosite.- Stability of discretizations on infinite intervals.- A rational basis for function approximation.- Some results on best possible error bounds for finite element methods and approximation with piecewise polynomial functions.- Removal of an instability in a free convection problem.- Bounds for the error in approximate solutions of ordinary differential equations.- Numerical solution of the sturm liouville problem with periodic boundary conditions.- One dimensional methods for the numerical solution of nonlinear hyperbolic systems.- The development and application of simultaneous iteration for eigenvalue problems.- An iterative procedure for the solution of linear and nonlinear equations.- On weak stability, stability, and the type of a polynomial.- Error estimates for certain integration rules on the triangle.- Linear multistep methods with variable matrix coefficients.- Parode: A new representational method for the numerical solution of partial differential equations.- On deriving explicit Runge-Kutta methods.- A finite element for three dimensional function approximation.- Conformal transformation methods for the numerical solution of harmonic mixed boundary value problems.