Markus Kowarschik Ulrich Rüde Christian Weiß Wolfgang Karl Cache-Aware Multigrid Methods for Solving Poisson's Equation in Two Dimensions. 381-399 2000 64 Computing 4 http://link.springer.de/link/service/journals/00607/bibs/0064004/00640381.htm db/journals/computing/computing64.html#KowarschikRWK00