Lijuan Sheng, Maoan Han, Valery Romanovsky. On the Number of Limit Cycles by Perturbing a Piecewise Smooth Liénard Model. I. J. Bifurcation and Chaos, 26(10):1-16, 2016. [doi]
@article{ShengHR16,
title = {On the Number of Limit Cycles by Perturbing a Piecewise Smooth Liénard Model},
author = {Lijuan Sheng and Maoan Han and Valery Romanovsky},
year = {2016},
doi = {10.1142/S0218127416501686},
url = {http://dx.doi.org/10.1142/S0218127416501686},
researchr = {https://researchr.org/publication/ShengHR16},
cites = {0},
citedby = {0},
journal = {I. J. Bifurcation and Chaos},
volume = {26},
number = {10},
pages = {1-16},
}