@article{10_4171_dm_179,
     author = {Konstantin Ardakov},
     title = {The centre of completed group algebras of pro-$p$ groups},
     journal = {Documenta mathematica},
     pages = {599--606},
     year = {2004},
     volume = {9},
     doi = {10.4171/dm/179},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/179/}
}