@incollection{Wang17,
author = {Qinlong Wang and Bo Sang and Wentao Huang},
title = {Mutiple Hopf Bifurcation on Center Manifold},
booktitle = {Manifolds},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Paul Bracken},
chapter = {1},
doi = {10.5772/65674},
url = {https://doi.org/10.5772/65674}
}