1. Hodge PG: Limit analysis of rotationally symmetric plates and shells. Englewood Cliffs: Prentice-Hall; 1963.
2. Save MA, Massonnet CE: Plastic analysis and design of plates, shells and disks. North-Holland, Amsterdam; 1972.
3. Zyczkowski M: Combined loadings in the theory of plasticity. Wasarwa, Poland: Polish Scientific, PWN and Nijhoff; 1981.
4. Xu BY, Liu XS: Plastic limit analysis of structures. Beijing: China Architecture & Building Press; 1985.
5. Lubliner J: Plasticity theory. New York: Macmillan; 1990.