TY - Acta mathematica scientia,Series A A1 - Xin Xie,Jianquan Li,Yuping Wang,Dian Zhang T1 - A Qualitative Analysis of a Tumor-Immune System with Antigenicity Y1 - 2021-12-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 1969 EP - 1979 VL - 41 IS - 6 UR - http://121.43.60.238/sxwlxbA N1 - ER -