1. Chen WF, Zhang H (1991) Structural plasticity - theory, problems, and CAE software. Springer, New York
2. Ganczarski A, Lenczowski J (1997) On the convexity of the Goldenblat–Kopnov yield condition. Arch Mech 49(3):461–475
3. Ottosen NS, Ristinmaa M (2005) The mechanics of constitutive modeling. Elsevier, Amsterdam
4. Williams JG (1973) Stress analysis of polymers. Longman, London
5. Zyczkowski M (1981) Combined loadings in the theory of plasticity. PWN-Polish Scientific Publishers, Warszawa