ASHYRALYEV, A.; ASHYRALYYEVA, M.; Batyrova О. On the boundedness of solution of the second order ordinary differential equation with damping term and involution. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 102, n. 2, p. 16–24, 2021. DOI: 10.31489/2021m2/16-24. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/407. Acesso em: 19 aug. 2025.