TY - Acta mathematica scientia,Series A A1 - Miaomiao Chen,Yongzhen Pei,Xiyin Liang,Yunfei Lv T1 - The Optimal Strategies of SI Pest Control Models with Impulsive Intervention Y1 - 2019-06-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 689 EP - 704 VL - 39 IS - 3 UR - http://121.43.60.238/sxwlxbA N1 - ER -