Numerical Analysis

C. B. Moler, Three research problems in numerical linear algebra; J. E. Dennis, A brief introduction to quasi-Newton methods; C. de Boor, The approximation of functions and linear functionals: Best vs.good approximation; J. M. Varah, Numerical methods for the solution of ordinary differential equations; J. A. Oliger, Methods for time dependent partial differential equations; G. J. Fix, Variational methods for elliptic boundary value problems.