FAIZIBAEV , E. F.; KADYRBEKOV , T. Method of two-scale decomposition of the solution of integro-differential equation with perturbation. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 43, n. 1, p. 129–133, 1991. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9318. Acesso em: 17 feb. 2026.