%0 Journal Article %A Mathieu, Martin %T Properties of the Product of Two Derivations of a C*-Algebra %J Canadian mathematical bulletin %D 1989 %P 490-497 %V 32 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-072-4/ %R 10.4153/CMB-1989-072-4 %F 10_4153_CMB_1989_072_4