Weakly nonlinear boundary-value problems with an "interface conditions" type impulsive effect. Neliniini Kolyvannya, [S. l.], v. 3, n. 3, p. 291–296, 2000. Disponível em: https://twinhead.imath.kiev.ua/index.php/nosc/article/view/120. Acesso em: 22 jan. 2026.