Projection Methods and Singular Two Point Boundary Value Problems. G.W. Reddien — 1973 Numerische Mathematik
The Approximation of Generalized Turning Points by Projection Methods with Superconvergence to the Critical Parameter. G.W. Reddien; A. Greiwank — 1986 Numerische Mathematik
On a Collocation Method lor Singular Two Point Boundary Value Problems. G.W. Reddien; L.L. Schumaker Numerische Mathematik
Quadratic Interpolatory Splines. R.S. Varga; W.J. Kammerer; G.W. Reddien — 1974 Numerische Mathematik