Reddy, R., and A. Lastovetsky,  "HeteroMPI + ScaLAPACK: Towards a ScaLAPACK (Dense Linear Solvers) on Heterogeneous Networks of Computers",  Proceedings of the 13th IEEE International Conference on High Performance Computing (HiPC 2006), vol. 4297, Bangalore, India, Springer, pp. 242-253, 18-21 Dec 2006.