DZHUMABAEV, D. S. Necessary and Sufficient Conditions for the Solvability of Linear Boundary-Value Problems for the Fredholm Integrodifferential Equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 8, p. 1074–1091, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2200. Acesso em: 5 dec. 2025.