Vakarchuk, Sergii, and Mykhailo Vakarchuk. “On Informational and Some Other N-Widths of Classes of Analytic Functions in a Disk”. International Scientific-Practical Conference: „Modern Challenges and Achievements in Information and Communication Technologies“ Transactions, no. 4, Dec. 2025, pp. 117-21, https://papers.4science.ge/index.php/mcaaict/article/view/378.