Tadatoshi Sekine Yuichi Tanji Hideki Asai Matrix Order Reduction by Nodal Analysis Formulation and Relaxation-Based Fast Simulation for Power/Ground Plane. 2450-2455 2008 91-A IEICE Transactions 9 http://dx.doi.org/10.1093/ietfec/e91-a.9.2450 db/journals/ieicet/ieicet91a.html#SekineTA08