1. S.J. Liao, On the proposed homotopy analysis techniques for nonlinear problems and its application, Ph.D. Dissertation, Shanghai Jiao Tong University, 1992.
2. Beyond Perturbation: Introduction to the Homotopy Analysis Method;Liao,2003
3. On the selection of auxiliary functions, operators, and convergence control parameters in the application of the homotopy analysis method to nonlinear differential equations: a general approach;Van Gorder;Communications in Nonlinear Science and Numerical Simulation,2009
4. An optimal homotopy-analysis approach for strongly nonlinear differential equations;Liao;Communications in Nonlinear Science and Numerical Simulation,2010
5. Homotopy Analysis Method in Nonlinear Differential Equations;Liao,2012