All scientific publications, for which ILUPACK has been used, shall mention
usage of ILUPACK, and shall refer to the following publication:
Matthias Bollhoefer and Yousef Saad. Multilevel preconditioners constructed from inverse-based ILUs. SIAM J. Sci. Comput., Special Issue on the 8-th Copper Mountain Conference, 27(5):1627-1650, 2006.
Concerning the citation of the software package itself (current version is
2.4) we recommend to refer to it the following way.
Matthias Bollhoefer and Yousef Saad. ILUPACK - preconditioning software package. Available online at http://ilupack.tu-bs.de/. Release V2.4, June 2011.