Liang, Zaitao Periodic solutions of a class of nonlinear planar systems. (English) Zbl 1402.34044 Fixed Point Theory 19, No. 2, 631-642 (2018). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 37C25 PDFBibTeX XMLCite \textit{Z. Liang}, Fixed Point Theory 19, No. 2, 631--642 (2018; Zbl 1402.34044)
Liang, Zaitao Positive periodic and subharmonic solutions of second-order singular differential equations with impulsive effects. (English) Zbl 1383.34063 Math. Commun. 22, No. 2, 193-209 (2017). MSC: 34C25 34A37 PDFBibTeX XMLCite \textit{Z. Liang}, Math. Commun. 22, No. 2, 193--209 (2017; Zbl 1383.34063) Full Text: Link
Liang, Zaitao Periodic and subharmonic solutions with winding number for \(p\)-Laplacian equations by the Poincaré-Birkhoff theorem. (English) Zbl 1379.34037 J. Fixed Point Theory Appl. 19, No. 2, 1283-1294 (2017). Reviewer: Alessandro Fonda (Trieste) MSC: 34C25 37C25 PDFBibTeX XMLCite \textit{Z. Liang}, J. Fixed Point Theory Appl. 19, No. 2, 1283--1294 (2017; Zbl 1379.34037) Full Text: DOI
Liang, Zaitao Radially stable periodic solutions for radially symmetric Keplerian-like systems. (English) Zbl 1373.34065 J. Dyn. Control Syst. 23, No. 2, 363-373 (2017). Reviewer: Pedro J. Torres (Granada) MSC: 34C25 34D20 34C29 34C27 PDFBibTeX XMLCite \textit{Z. Liang}, J. Dyn. Control Syst. 23, No. 2, 363--373 (2017; Zbl 1373.34065) Full Text: DOI
Liang, Z. On the critical cycles of a class of quadratic systems with third order focus. (Chinese. English summary) Zbl 0607.34029 J. Math., Wuhan Univ. 6, 411-417 (1986). MSC: 34C05 PDFBibTeX XMLCite \textit{Z. Liang}, J. Math., Wuhan Univ. 6, 411--417 (1986; Zbl 0607.34029)