ATTAEV, A.Kh. Boundary control problem for a hyperbolic equation loaded along one of its characteristics. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 106, n. 2, p. 49–58, 2022. DOI: 10.31489/2022m2/49-58. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/498. Acesso em: 4 sep. 2025.