%0 Journal Article %A Manuilov, V. %A Thomsen, K. %T On the Lack of Inverses to C*-Extensions Related to Property T Groups %J Canadian mathematical bulletin %D 2007 %P 268-283 %V 50 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-027-1/ %R 10.4153/CMB-2007-027-1 %F 10_4153_CMB_2007_027_1