TY - RPRT TI - NONLINEAR MULTIGRID SOLVER EXPLOITING AMGe COARSE SPACES WITH APPROXIMATION PROPERTIES AU - Christensen, Max La Cour AU - Villa, Umberto E. AU - Engsig-Karup, Allan P. AU - Vassilevski, Panayot S. PY - 2016 DO - 10.2172/1237574 UR - https://www.osti.gov/biblio/1237574 ID - 1237574 ER -