TY - Acta mathematica scientia,Series A A1 - Qiong Wang,Fang Long,Jun Wang T1 - Some Results on Difference Riccati Equations and Delay Differential Equations Y1 - 2019-08-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 832 EP - 838 VL - 39 IS - 4 UR - http://121.43.60.238/sxwlxbA N1 - ER -