中国科学院数学与系统科学研究院期刊网
AMS
Globally Proper Saddle Point in Ic-Cone-Convexlike Set-Valued Optimization Problems
Guo Lin YU, San Yang LIU
Acta Mathematica Sinica . 2009, (11): 1921 -1928 .  DOI: 10.1007/s10114-009-6144-9