%0 Journal Article %A Drézet, Jean-Marc %A Trautmann, Günther %T Moduli spaces of decomposable morphisms of sheaves and quotients by non-reductive groups %J Annales de l'Institut Fourier %D 2003 %P 107-192 %V 53 %N 1 %I Association des Annales de l’institut Fourier %U https://aif.centre-mersenne.org/articles/10.5802/aif.1941/ %R 10.5802/aif.1941 %G en %F AIF_2003__53_1_107_0