MYNBAYEVA, S. T.; STANZHITSKII, A. N.; MARCHUK, N. A. Averaging in boundary-value problems for systems of differential and integrodifferential equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 72, n. 2, p. 245–266, 2020. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1071. Acesso em: 11 apr. 2025.