V. M. Demidenko, “Conditions for the effective solvability of the quadratic choice problem. Part 1”, Журнал Белорусского государственного университета. Математика. Информатика, no. 1, pp. 45–58, Apr. 2024, Accessed: Nov. 10, 2026. Available: https://journals.bsu.by/index.php/mathematics/article/view/6078