1E Posner. Derivations in prime rings [ J ]. Proc. Amer. Math. Soc,1957(8) :1093 - 1100.
2M Bresar, J Vukman. On certain subrings of prime rings with derivations [ J ]. J. Austral. Math. Soc. ( Set. A ) 1993(54) :133 - 141.
3M A Chebotar. On certain subrings and ideals of prime rings [ J ]. First International Tainan-Moscow Algebra Workshop, Walter de Gruyter, 1996 : 177 - 180.
4C L Chuang. The additive subgroup generated by a polynomial[ J]. Isr J Math. 1987(59) :98 - 106.
5K I Beidar, W S Martindale 3^rd, A V Mikhalev. Rings with generalized identities [ M ]. Marcel Dekker, Inc. , New York,Basel, Hong Kong, 1996.
6I N Herstein. A note on derivations [ J ]. Canad. Math. Bull. 1978 (21) :369 - 370.
