%0 Journal Article %A R. Preeti %A J.-P. Tignol %T Multipliers of improper similitudes %J Documenta mathematica %D 2004 %P 183-204 %V 9 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/164/ %R 10.4171/dm/164 %F 10_4171_dm_164