Kofanov, V. “Relationship Between the Boyanov–Naydenov Problem and Kolmogorov-Type Inequalities ”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 3 (March 25, 2024): 395 - 404. Accessed May 10, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/7656.