V. A. Kofanov, “Inequalities for derivatives of functions in the spaces Lp”, Ukr. Mat. Zhurn., vol. 60, no. 10, pp. 1338 – 1349, Oct. 2008, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3248