Orumbayeva, N.T., Kosmakova, M.T., Tokmagambetova, T.D., & Manat, A.M. (2025). Solutions of boundary value problems for loaded hyperbolic type equations. Bulletin of the Karaganda University. Mathematics Series, 2(118), 177–188. https://doi.org/10.31489/2025m2/177-188