Zabolotnij, Ja. V. “Determination of the Maximum of a Product of Inner Radii of Pairwise Nonoverlapping Domains”. Reports of the National Academy of Sciences of Ukraine, no. 3 (October 10, 2024): 7–13. Accessed December 23, 2024. https://nasu-periodicals.org.ua/index.php/dp/article/view/8565.