NesterenkoA. N., TymoshkevychT. D., and Chaikovs’kyiA. V. “Improvement of One Inequality for Algebraic Polynomials”. Ukrains’kyi Matematychnyi Zhurnal 61, no. 2 (February 25, 2009): 231-242. Accessed July 27, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3015.