Xingwu Chen, Zhengdong Du. Limit cycles bifurcate from centers of discontinuous quadratic systems. Computers & Mathematics with Applications, 59(12):3836-3848, 2010. [doi]
@article{ChenD10-7,
title = {Limit cycles bifurcate from centers of discontinuous quadratic systems},
author = {Xingwu Chen and Zhengdong Du},
year = {2010},
doi = {10.1016/j.camwa.2010.04.019},
url = {http://dx.doi.org/10.1016/j.camwa.2010.04.019},
researchr = {https://researchr.org/publication/ChenD10-7},
cites = {0},
citedby = {0},
journal = {Computers & Mathematics with Applications},
volume = {59},
number = {12},
pages = {3836-3848},
}