ORUMBAYEVA, N.T.; ZHANTASSOVA, B.B. On a solution of the periodic boundary value problem for a hyperbolic equation with a fractional derivative. Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 121, n. 1, p. 194–201, 2026. DOI: 10.31489/2026m1/194-201. Disponível em: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/1217. Acesso em: 4 apr. 2026.