Limit cycles by perturbing quadratic isochronous centers inside piecewise polynomial differential systems
Cen, Xiuli, Liu, Changjian, Yang, Lijun, Zhang, MeirongLanguage:
english
Journal:
Journal of Differential Equations
DOI:
10.1016/j.jde.2018.07.016
Date:
July, 2018
File:
PDF, 1.76 MB
english, 2018