中国科学院数学与系统科学研究院期刊网
AMS
An Equilibrium Version of Set-Valued Ekeland Variational Principle and its Applications to Set-Valued Vector Equilibrium Problems
Jing Hui QIU
Acta Mathematica Sinica . 2017, (2): 210 -234 .  DOI: 10.1007/s10114-016-6184-x