RUDNITSKII, A. G.; RUDNYTSKA, M. A.; TKACHENKO, L. V. SINGLE-CHANNEL PROCESSING OF AUSCULTATORY SIGNALS USING METHODS OF MATHEMATICAL MORPHOLOGY. Journal of Numerical and Applied Mathematics, [S. l.], n. 1 (135), p. 179–185, 2021. DOI: 10.17721/2706-9699.2021.1.24. Disponível em: https://jnam.knu.ua/index.php/jnam/article/view/120. Acesso em: 6 oct. 2026.