Nesterenko, A. N., Tymoshkevych, T. D. and Chaikovs’kyi, A. V. (2009) “Improvement of one inequality for algebraic polynomials”, Ukrains’kyi Matematychnyi Zhurnal, 61(2), pp. 231-242. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3015 (Accessed: 9February2023).