Conference on the Numerical Solution of Differential Equations : Dundee 1973 A conjugate gradient approach to nonlinear elliptic boundary value problems in irregular regions Good approximation by splines with variable knots. II Conforming and nonconforming finite element methods for solving the plate problem Discretization and chained approximation Recent developments of the hopscotch idea The development of software for solving ordinary differential equations Boundary conditions for hyperbolic differential equations Nonlinear methods for stiff systems of ordinary differential equations Curved elements in the finite element method The design of difference schemes for studying physical instabilities Variable order variable step finite difference methods for nonlinear boundary value problems Cyclic finite difference methods for ordinary differential equations The dimension of piecewise polynomial spaces and one sided approximation The comparative efficiency of certain finite element and finite difference methods for a hyperbolic problem Spline galerkin methods for initial value problems with constant coefficients On the accelerated SSOR method for solving elliptic boundary value problems Algebraic geometry foundations for finite element computation Spline galerkin methods for initial value problems with variable coefficients Constrained variational principles and penalty function methods in finite element analysis Finite element methods for parabolic equations.