Interpolation by Generalized Splines. L.L. Schumaker; G. Nürnberger; ... — 1983 Numerische Mathematik
On a Collocation Method lor Singular Two Point Boundary Value Problems. G.W. Reddien; L.L. Schumaker Numerische Mathematik
Error Bounds for the Approximation of Green's Kernels by Splines. L.L. Schumaker; G. Hämmerlin — 1979 Numerische Mathematik
Procedures for Kernel Approximation and Solution of Fredholm Integral Equations of the Second Kind. L.L. Schumaker; G. Hämmerlin — 1980 Numerische Mathematik