1. R. E. Bank, T. F. Dupont, H. Yserentant: The Hierarchical Basis Multigrid Method, Numer. Math., 52, 427–458 (1988).
2. R. E. Bank: PLTMG: A software package for solving elliptic partial differential equations. Users Guide 6.0. SIAM, Philadelphia, 1990.
3. P. Bastian, G. Horton: Parallelization of Robust Multigrid Methods: ILU Factorization and Frequency Decomposition Method. SIAM J. Sci. Stat. Comput., 12, No. 6, pp. 1457–1470, 1991.
4. P. Bastian, G. Wittum: On Robust and Adaptive Multigrid Methods. In: Proceedings of the 4th European Multigrid Conference, Amsterdam, July 1993, to appear.
5. P. Bastian: Parallel Adaptive Multigrid Methods. IWR Report 93–60, Interdisziplinäres Zentrum für Wissenschaftliches Rechnen, Universität Heidelberg, 1993.