1. The Finite Element Method for Elliptic Problems, North Holland, Amsterdam, 1978.
2. and , “The combined effect of curved boundaries and numerical integration in isoparametric finite element methods,” in The Mathematical Foundations of the Finite Element Method with Application to Partial Differential Equations, Ed., Academic Press, New York, 1972
3. Galerkin Methods for Parabolic Equations
4. A Lumped Mass Finite-element Method with Quadrature for a Non-linear Parabolic Problem
5. “The use of numerical integration in finite element methods for solving parabolic equations,” in Topics in Numerical Analysis, Ed., Academic Press, New York, 1973.