LIU YIYING. Research on influencing factors of multi-component spectral matrix analysis. Acta Scientiae, [S. l.], v. 17, n. 2, p. 1–12, 2016. Disponível em: https://www.periodicos.ulbra.org/index.php/acta/article/view/95. Acesso em: 10 may. 2025.