1. Y.T. Chou and Z.Y. Wang, in Recent Development in Applied Mathematics, Rensselaer Press (1983) 21–30.
2. Z.Y. Wang, H.T. Zhang, and Y.T. Chou, Journal of Applied Mechanics 52 (1985) 818–822.
3. R. Ballarini, L.M. Keer, and S.P. Shah, International Journal of Fracture 33 (1987) to appear.
4. R. Ballarini, S.P. Shah, and L.M. Keer, Proceedings of the Royal Society (London) A404 (1986) 35–54.
5. N.I. Muskhelishvili, Some Basic Problems of Mathematical Theory of Elasticity, Noordhoff Ltd., Groningen (1953).