1. W. Anderson, R. Rausch, D. Bonhaus, Implicit multigrid algorithms for incompressible turbulent flows on unstructured grids, No. 95-1740-CP, in: Proceedings of the 12th AIAA CFD Conference, San Diego CA, 1995.
2. S. Balay, K. Buschelman, V. Eijkhout, W.D. Gropp, D. Kaushik, M.G. Knepley, L.C. McInnes, B.F. Smith, H. Zhang, Petsc users manual, Tech. Rep. ANL-95/11 – Revision 2.1.5, Argonne National Laboratory, 2004.
3. S. Balay, K. Buschelman, W.D. Gropp, D. Kaushik, M.G. Knepley, L.C. McInnes, B.F. Smith, H. Zhang, PETSc Web page, 2007. .
4. Efficient management of parallelism in object oriented numerical software libraries;Balay,1997
5. T. Barth, Numerical methods for conservation laws on structured and unstructured meshes, VKI March 2003 Lecture Series, 2003.