HAMMAD, Hasanen A.; KATTAN, Doha A.; LIU, Zhenhai. Approximate controllability of Caputo fractional Volterra–Fredholm integral equations under nonlocal conditions and impulsive effects. Nonlinear Analysis: Modelling and Control, [S. l.], v. 31, p. 1–25, 2026. DOI: 10.15388/namc.2026.31.47782. Disponível em: https://www.journals.vu.lt/nonlinear-analysis/article/view/47782. Acesso em: 6 aug. 2026.