%0 Journal Article %A Z. Reichstein %A A. Vistoli %T Birational Isomorphisms between Twisted Group Actions %J Journal of Lie theory %D 2006 %P 791-802 %V 16 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2006_16_4_JLT_2006_16_4_a7/ %F JLT_2006_16_4_JLT_2006_16_4_a7