Assanova, A.T. and Tokmurzin, Zh.S. 2020. Method of functional parametrization for solving a semi-periodic initial problem for fourth-order partial differential equations. Bulletin of the Karaganda University. Mathematics Series. 100, 4 (Dec. 2020), 5–16. DOI:https://doi.org/10.31489/2020m4/5-16.