ZOMBORY, L. SCATTERING OF ELECTROMAGNETIC PLANE WAVES ON OBSTACLES WITH LINEAR ISOTROPIC MATERIAL OF NEGATIVE CONDUCTIVITY. Periodica Polytechnica Electrical Engineering, [S. l.], v. 15, n. 4, p. 333–358, 1971. Disponível em: https://pp.bme.hu/ee/article/view/5086. Acesso em: 11 may. 2024.