%0 Journal Article %A Emmanuel Germain %A Pierre Umber %T KK-theory of A-valued semi-circular systems %J Comptes Rendus. Mathématique %D 2016 %P 87-90 %V 354 %N 1 %I Elsevier %R 10.1016/j.crma.2015.10.013 %G en %F CRMATH_2016__354_1_87_0