1. Natural convection flow of Powell–Eyring fluids between two vertical flat plates;Bruce;ASME 67 WA/HT,1967
2. Thermal convection in non-Newtonian fluids;Shenoy,1982
3. Natural convection flow of a non-Newtonian fluid between two vertical flat plates;Rajagopal;Acta Mech,1985
4. Perturbation methods;Nayfeh,2000
5. Liao SJ. The proposed homotopy analysis technique for the solution of non-linear problems. PhD thesis, Shanghai Jiao Tong University; 1992.