Huseynov, S. T. “Hölder Continuity and the Harnack Inequality for the Solutions of an Elliptic Equation Containing the $p$ -Laplacian and Uniformly Degenerating in a Part of the Domain”. Ukrains’kyi Matematychnyi Zhurnal 69, no. 12 (December 25, 2017): 1596–1604. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/1806.