1. Some Basic Problems in the Mathematical Theory of Elasticity;Muskhelishvili,1966
2. Fracture;Irwin;Handbuch der Physic,1958
3. Limiting Equilibrium of Brittle Solids with Cracks;Panasyuk,1968
4. Plastic deformation around crack and fracture criteria (a review);Vitvitskii;Engng Fracture Mech.,1975
5. Mechanics of Brittle Fracture;Cherepanov,1974