MAMIROV, T. Estimation of Frequency Characteristics of Super-Narrow Band Digital Filters. Elektronika ir Elektrotechnika, [S. l.], v. 77, n. 5, p. 69–72, 2007. DOI: 10.5755/j02.eie.10744. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10744.. Acesso em: 24 may. 2026.