Resonant phenomena in nonlinear vertical rotor systems. Journal of Mathematics Mechanics and Computer Science, [S. l.], v. 112, n. 4, 2021. DOI: 10.26577/JMMCS.2021.v112.i4.05. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/989. Acesso em: 5 jul. 2026.