KALYUZHNYJ, A. . Adaptive rejection of polyharmonic noise when frequency fluctuations of the pitch. Electronics and Communications, [S. l.], v. 16, n. 5, p. 31–36, 2012. DOI: 10.20535/2312-1807.2011.16.5.247146. Disponível em: https://elc.kpi.ua/old/article/view/247146. Acesso em: 1 aug. 2024.