[1]
SZEPTYŃSKI, P. 2014. Yield Criterion Accounting for the Influence of the Third Invariant of Stress Tensor Deviator. Part II. Analysis of Convexity Condition of the Yield Surface. Engineering Transactions. 59, 4 (Aug. 2014), 283–297. DOI:https://doi.org/10.24423/engtrans.139.2011.