Rounding errors in alternating direction methods for parabolic problems Henry H. Rachford, Jr. — 1968 Aplikace matematiky
Local H - 1 Galerkin and adjoint local H - 1 Galerkin procedures for elliptic equations Jim Jr. Douglas; Todd Dupont; Henry H. Jr. Rachford; Mary F. Wheeler — 1977 ESAIM: Mathematical Modelling and Numerical Analysis - Modélisation Mathématique et Analyse Numérique