El Kahoui, M'hammed Algorithms and Complexity, MPI for Informatics, Max Planck Society;
El Kahoui, M. (2001). Improved algorithms for linear complementarity problems arising from collision response. Mathematics and Computers in Simulation, 56(1), 69-93. Retrieved from http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6V0T-42M1G1Y-5&_coverDate=03%2F29%2F2001&_alid=250445639&_rdoc=1&_fmt=&_orig=search&_qd=1&_cdi=5655&_sort=d&view=c&_acct=C000004638&_version=1&_urlVersion=0&_userid=43521&md5=3b414b4652b9b137a81f7d8876ab5e92.