Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Qi Zhang, Zhao Zhengquan, Gui Weihua. Bifurcation of limit cycles at the equator. Applied Mathematics and Computation, 211(2):422-426, 2009. [doi]
Abstract is missing.