[1]
A. K. Bakhtin, “Sharp estimates for inner radii of systems of nonoverlapping domains and open sets”, Ukr. Mat. Zhurn., vol. 59, no. 12, pp. 1601–1618, Dec. 2007, Accessed: Dec. 06, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3416