1. The stresses and deformations in the nonhomogeneous visco-elastic media under mixed boundary conditions;Zhu;J. Hydraul. Eng.,1964
2. Substructure method for stress analysis of nonhomogeneous elasto-creeping solids;Zhu;J. Hydraul. Eng.,1984
3. Non-homogeneous stresses in visco-elastic bodies;Alfrey;Q. Appl. Math.,1944
4. A generalization of Alfrey's theorem for visco-elastic media;Tsien;Q. Appl. Math.,1950
5. A numerical method of visco-elastic stress analysis;Zienkiewicz;Intern. J. Mech. Sci.,1968