TY - Acta mathematica scientia,Series A A1 - Gaixia Wang,Jixuan Liu,Xuezhi Li T1 - Stability of Age-Structured with Proportion of Infected Groups or Enter the Latent Epidemiological Model with Varying Population Size Y1 - 2019-10-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 1260 EP - 1271 VL - 39 IS - 5 UR - http://121.43.60.238/sxwlxbA N1 - ER -