On Stability Analysis of Bearing-Rotor System. - Meng-Su Li; Xu-Chu Cai; Dan Zhang (BASYS, 2006)

Periodic solution of Jacobi elliptic equations by He's perturbation method. - Xu-Chu Cai; Meng-Su Li (Comput. Math. Appl., 2007)

He's frequency formulation for the relativistic harmonic oscillator. - Xu-Chu Cai; Wen-Ying Wu (Comput. Math. Appl., 2009)

Application of the modified frequency formulation to a nonlinear oscillator. - Xu-Chu Cai; Junfang Liu (Comput. Math. Appl., 2011)