BALKIZOV, Zh.A. A boundary value problem for a third-order equation with a nonlocal condition for the time. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 85, n. 1, p. 8–16, 2017. DOI: 10.31489/2017m1/8-16. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/139. Acesso em: 7 sep. 2025.