REFINEMENT OF TURÁN-TYPE INEQUALITY FOR A POLYNOMIAL. Far East Journal of Mathematical Sciences (FJMS), [S. l.], v. 140, n. 3, p. 245–256, 2023. DOI: 10.17654/0972087123014. Disponível em: https://pphmjopenaccess.com/fejms/article/view/893. Acesso em: 5 jan. 2026.