AZARIN, V.; GOL`DBERG, A. A sharp inequality for the order of the minimal positive harmonic function in T-homogeneous domain. Математическая физика, анализ, геометрия, Харків, Україна, v. 11, n. 4, p. 375–379, 2004. Disponível em: http://mag.ilt.kharkiv.ua/index.php/mag/article/view/m11-0375e. Acesso em: 19 трав. 2024.