VYHIVSKA, L. V. Some inequalities for inner radii of partially overlapping domains. Збірник Праць Інституту математики НАН України, [S. l.], v. 14, n. 1, p. 82–89, 2017. Disponível em: https://trim.imath.kiev.ua/index.php/trim/article/view/104. Acesso em: 29 квіт. 2024.