%0 Journal Article %A A. El Guennouni %T A unified approach to some strategies for the treatment of breakdown in Lanczos-type algorithms %J Applicationes Mathematicae %D 1999 %P 477-488 %V 26 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am-26-4-477-488/ %R 10.4064/am-26-4-477-488 %G en %F 10_4064_am_26_4_477_488