%0 Journal Article %T An Objective Penalty Method for Optimistic Bilevel Programming Problems %A Liu, June %A Zhang, Tao %A Fan, Yu-Xin %A Han, Bing %A Zheng, Yue %J Journal of the Operations Research Society of China %V 8 %N 1 %P 177-187 %@ 2194-668X %D 2020-03-01 %I Operations Research Society of China %~ DeepDyve