TY - JOUR AU - E. Bayer-Fluckiger AU - R. Parimala TI - Cohomological Invariants for $G$-Galois Algebras and Self-Dual Normal Bases JO - Documenta mathematica PY - 2017 SP - 1 EP - 24 VL - 22 UR - http://geodesic.mathdoc.fr/articles/10.4171/dm/557/ DO - 10.4171/dm/557 ID - 10_4171_dm_557 ER -