@article{10_4171_dm_457, author = {Andreas Nickel}, title = {A conductor formula for completed group algebras}, journal = {Documenta mathematica}, pages = {601--627}, year = {2014}, volume = {19}, doi = {10.4171/dm/457}, url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/457/} }