TY - JOUR AU - Jürgen Hausen TI - A generalization of Mumford's geometric invariant theory JO - Documenta mathematica PY - 2001 SP - 571 EP - 592 VL - 6 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/114/ DO - 10.4171/dm/114 ID - 10_4171_dm_114 ER -