ASSANOVA, A.T.; TOKMURZIN, Zh.S. Method of functional parametrization for solving a semi-periodic initial problem for fourth-order partial differential equations. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 100, n. 4, p. 5–16, 2020. DOI: 10.31489/2020m4/5-16. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/373. Acesso em: 4 sep. 2025.