%0 Journal Article %A Andrzej Augustynowicz %A Zdzisław Jackiewicz %T Frequency analysis of preconditioned waveform relaxation iterations %J Applicationes Mathematicae %D 1999 %P 229-242 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-26-2-229-242/ %R 10.4064/am-26-2-229-242 %G en %F 10_4064_am_26_2_229_242