SOFONEA, M.; ESSOUFI, EL‐H. A piezoelectric contact problem with slip dependent coefficient of friction. Mathematical Modelling and Analysis, [S. l.], v. 9, n. 3, p. 229–242, 2004. DOI: 10.3846/13926292.2004.9637256. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9732. Acesso em: 1 jul. 2025.