TY - JOUR AU - Mathieu, Martin TI - Properties of the Product of Two Derivations of a C*-Algebra JO - Canadian mathematical bulletin PY - 1989 SP - 490 EP - 497 VL - 32 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1989-072-4/ DO - 10.4153/CMB-1989-072-4 ID - 10_4153_CMB_1989_072_4 ER -