Spherical Couette flow of Oldroyd 8-constant model: Part II. Third-order approximation and the stream function Canadian Journal of Physics, Vol., 86, 1 -pdf Researches submitted to be published in: Proceedings of the Mathematical and Phyical Society of Egypt 1-Unsteady axial viscoelastic pipe flows of an Oldroyd- B fluid 2- Spherical Couette Flow of Oldroyd-B Fluid : Effect of Viscous Heating- Spherical Couette Flow of Oldroyd-B Fluid: Viscous and External Heat Effects