1. Begehr and Lin. A Mixed-contact Boundary Problem in Orthotropic Elasticity. Pitman Publishing Ltd., 1992, Research Notes in Maths., Series No.263, H. Begehr and A. Jeffrey (Editors), 219–239.
2. L. Hua, W. Lin and Z. Wu. Second Order Systems of Equations on the Plane. Pitman Publishing Ltd., London, 1985.
3. O.A. Ladyzhenskaya. The Boundary Value Problems of Mathematic Physics. Springer-Verlag, New York, 1985.
4. J. Lu (Lu Chien-ke). Complex Methods in Plane Elasticity. Wuhan University press, Wuhan, 1986 (in Chinese).
5. P. Shi and Y. Xu. Quasi-static Linear Thermoelasticity on the Unit Disk.J. Elasticity, 1993, 31: 209–218.