Apostolos Hadjidimos Elias N. Houstis John R. Rice M. K. Samartzis E. A. Vavalis Semi-iterative methods on distributed memory multiprocessor architectures. 82-90 1989 ICS http://doi.acm.org/10.1145/318789.318799 db/conf/ics/ics1989.html#HadjidimosHRSV89