中国科学院数学与系统科学研究院期刊网
Extension of (1, σ) Derivations of Semiprime Rings
Feng WEI(1),Feng Wen NIU(2)
Acta Mathematica Sinica, Chinese Series . 2001, (1): 169 -174 .  DOI: 10.12386/A2001sxxb0022