中国科学院数学与系统科学研究院期刊网
Additive Maps Preserving Quasi-invertibilities or Quasi-zero Divisors
Xian Hua SONG, Guo Xing JI
Acta Mathematica Sinica, Chinese Series . 2017, (2): 217 -230 .  DOI: 10.12386/A2017sxxb0018