%0 Journal Article %A C. Roland %A B. Beckermann %A C. Brezinski %T Altman's methods revisited %J Applicationes Mathematicae %D 2004 %P 353-368 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/am31-3-9/ %R 10.4064/am31-3-9 %G en %F 10_4064_am31_3_9