PIKULIN, D. Subharmonic Oscillations and Chaos in DC-DC Switching Converters. Elektronika ir Elektrotechnika, [S. l.], v. 19, n. 4, p. 33-36, 2013. DOI: 10.5755/j01.eee.19.4.4054. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/4054. Acesso em: 5 oct. 2022.