TY - Acta mathematica scientia,Series A A1 - Yuan Shi,Yongxia Zhao T1 - α-Robust Optimal Investment Strategy for Target Benefit Pension Plans Under Default Risk Y1 - 2022-06-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 943 EP - 960 VL - 42 IS - 3 UR - http://121.43.60.238/sxwlxbA N1 - ER -