Oosterlee, C.C.OosterleeWienands, R.R.WienandsWashio, T.T.WashioGaspar, F.F.Gaspar2022-03-092022-03-092000https://publica.fraunhofer.de/handle/publica/336611en003005006518The acceleration of multigrid convergence by recombination techniquesconference paper