“A Harnack Inequality Approach to the Interior Regularity Gradient Estimates of Geometric Equations”, J. Part. Diff. Eq., vol. 19, no. 1, pp. 16–25, Feb. 2006, Accessed: Dec. 05, 2025. [Online]. Available: https://www.global-sci.com/index.php/jpde/article/view/4063