TY - Acta mathematica scientia,Series A A1 - Jing Yang,Changcheng Ke,Zhouchao Wei T1 - Study on Periodic Solutions of a Class of Continuous and Discontinuous Piece-Wise Linear Systems Y1 - 2021-08-26 JF - Acta mathematica scientia, Series A JO - Acta mathematica scientia,Series A SP - 1053 EP - 1065 VL - 41 IS - 4 UR - http://121.43.60.238/sxwlxbA N1 - ER -