An Abstract Data Type for Parallel Simulations Based on Sparse Grids. - Michael May 003; Thomas Schiekofer (PVM, 1996)

Multilevel Preconditioned Augmented Lagrangian Techniques for 2ndMixed Problems. - Ralf Hiptmair; Thomas Schiekofer; Barbara I. Wohlmuth (Computing, 1996)

Sparse grids for boundary integral equations. - Michael Griebel; Peter Oswald; Thomas Schiekofer (Numerische Mathematik, 1999)