1. Elastoplastic Problems;Galin,1984
2. Safe loads during the stretching of a strip and a plane with holes;Grigor'yev;Vestnik Mosk. Gos. Univ., Ser. 1, Mat. Mekh.,1990
3. The Elastoplastic Problem;Annin,1983
4. Plane Elastoplastic Stress Distribution around Circular Holes;Ostrosablin,1984
5. Fundamentals of the Theory of Plasticity;Kachanov,1969