RODIONOVA, I.; RAŅĶIS, I. Operational Regimes of Input Filters. Elektronika ir Elektrotechnika, [S. l.], v. 60, n. 4, p. 29–36, 2005. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/10424.. Acesso em: 23 jan. 2026.