TY - JOUR AU - Vincenzo De Filippis AU - Feng Wei TI - Posner's second theorem and annihilator conditions with generalized skew derivations JO - Colloquium Mathematicum PY - 2012 SP - 61 EP - 74 VL - 129 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm129-1-4/ DO - 10.4064/cm129-1-4 LA - en ID - 10_4064_cm129_1_4 ER -