Time-Parallel Multigrid in an Extrapolation Method for Time-Dependent Partial Differential Equations. - Graham Horton; Ralf Knirsch (ACPC, 1991)

The Time-Parallel Solution of Parabolic Partial Differencial Equations Using the Frequency-Filtering Method. - Graham Horton; Ralf Knirsch; Hermann Vollath (CONPAR, 1992)

An Improved Parallel Algorithm for the Solution of Molecular Dynamics Problems on MIMD Multiprocessors. - Ralf Knirsch; Klaus Hofmann (CONPAR, 1992)

A time-parallel multigrid-extrapolation method for parabolic partial differential equations. - Graham Horton; Ralf Knirsch (Parallel Comput., 1992)

Parallele Algorithmen zur numerischen Lösung von Systemen gewöhnlicher Differentialgleichungen. - Ralf Knirsch (1993)