On numerical studies of multi-point boundary value problem and its fold bifurcation. - Yongkui Zou; Qingwan Hu; Ran Zhang (Appl. Math. Comput., 2007)

Bifurcation of limit cycles of a quadratic reversible system with perturbed terms. - Xiao-Chun Hong 001; Lin Wang; Qingwan Hu (ICNC, 2012)