Ye, Yunhua. “Logarithmic Gradient Estimates to a Monge-Ampere Type Equation on \(S^n\)”. Global Journal of Mathematical Analysis 3, no. 3 (July 16, 2015): 126–129. Accessed April 27, 2024. https://sciencepubco.com/index.php/GJMA/article/view/4904.