DEMIDENKO, Vitaliy M. Conditions for the effective solvability of the quadratic choice problem. Part 1. Journal of the Belarusian State University. Mathematics and Informatics, [S. l.], n. 1, p. 45–58, 2024. Disponível em: https://journals.bsu.by/index.php/mathematics/article/view/6078. Acesso em: 17 jul. 2026.