BALBO, A.R., and S.P.B. PROENÇA. 2002. “On a Regularising Convex Potential Related to a Variational Formulation of an Elastoplastic-Damage Constitutive Model”. Trends in Computational and Applied Mathematics 3 (2):25-34. https://doi.org/10.5540/tema.2002.03.02.0025.