HACIA, L. Mathematical modelling in electrical engineering. Mathematical Modelling and Analysis, [S. l.], v. 10, n. 3, p. 257–274, 2005. DOI: 10.3846/13926292.2005.9637286. Disponível em: https://journals.vilniustech.lt/index.php/MMA/article/view/9678. Acesso em: 7 jul. 2025.