Lin, Chang-Shou, and Juncheng Wei. “Sharp Estimates for Bubbling Solutions of a Fourth Order Mean Field Equation”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 6, no. 4 (December 2, 2009): 561-597. Accessed February 14, 2025. https://journals.sns.it/index.php/annaliscienze/article/view/137.