A coupled system of nonlocal fractional differential equations with coupled and uncoupled slit-strips integral boundary conditions. Neliniini Kolyvannya, [S. l.], v. 19, n. 3, p. 291–310, 2016. Disponível em: https://nosc.imath.kiev.ua/index.php/nosc/article/view/831. Acesso em: 12 apr. 2026.