STRAZHEV, Vasilij I. Dual invariant Lagrange formulation of electrodynamics. Journal of the Belarusian State University. Physics, [S. l.], n. 1, p. 4–7, 2019. Disponível em: https://journals.bsu.by/index.php/physics/article/view/1376. Acesso em: 17 jul. 2026.