CHENG Lihua. Stability of a mixed type functional equation in Banach spaces[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2017,56(6):68-71.
CHENG Lihua. Stability of a mixed type functional equation in Banach spaces[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 2017,56(6):68-71.DOI: