%0 Journal Article %A Wei, Changguo %T Note on the Kasparov Product of C*-algebra Extensions %J Canadian mathematical bulletin %D 2013 %P 870-880 %V 56 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-001-3/ %R 10.4153/CMB-2012-001-3 %F 10_4153_CMB_2012_001_3