NEITTAANMÄKI, P.; PICARD, R. On the convergence of the finite element approximation of eigenfrequencies and eigenvectors to Maxwell’s boundary value problem. Annales Fennici Mathematici, [S. l.], v. 6, n. 2, p. 255–271, 1981. DOI: 10.5186/aasfm.1981.0613. Disponível em: https://afm.journal.fi/article/view/134416. Acesso em: 25 nov. 2024.