MATEI, Andaluzia; OSICEANU, Madalina. A variational formulation governed by two bipotentials for a frictionless contact model. Mathematical Modelling and Analysis, [S. l.], v. 29, n. 1, p. 109–124, 2024. DOI: 10.3846/mma.2024.17944. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/17944. Acesso em: 9 may. 2025.