EL-SAYED, Ahmed; GAMAL, Reda. Infinite point and Riemann–Stieltjes integral conditions for an integro-differential equation. Nonlinear Analysis: Modelling and Control, [S. l.], v. 24, n. 5, p. 733–754, 2019. DOI: 10.15388/NA.2019.5.4. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/14511.. Acesso em: 4 may. 2024.