BEKKER, Ella V.; ROMANOVA, Elena A. Methods for description of the total field propagation in the irregular dielectric waveguides. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 4, n. 2, p. 64–71, 2001. DOI: 10.26636/jtit.2001.2.51. Disponível em: https://www.jtit.pl/jtit/article/view/51. Acesso em: 19 jun. 2026.