NAZAROVA, K.Zh.; USMANOV, K.I. Unique solvability of boundary value problem for functional differential equations with involution. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 103, n. 3, p. 68–75, 2021. DOI: 10.31489/2021m3/68-75. Disponível em: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/459. Acesso em: 4 jul. 2025.