MOREMEDI, G. M.; STAVROULAKIS, I.; ZHUNUSSOVA, Z. K. Necessary and Sufficient Conditions for Oscillations of Functional Differential Equations. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 99, n. 3, p. 12–23, 2018. DOI: 10.26577/JMMCS-2018-3-528. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/528. Acesso em: 3 jul. 2024.