KLEIZA, A.; STARAS, S. Analysis of Complicated Retard Systems without Derivation of Dispersion Equations. Elektronika ir Elektrotechnika, [S. l.], v. 29, n. 6, 2000. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/18676. Acesso em: 28 mar. 2024.