Montenegro, Marcelo, and Elves A. B. Silva. “Two Solutions for a Singular Elliptic Equation by Variational Methods”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 11, no. 1 (April 2, 2012): 143-165. Accessed February 20, 2026. https://journals.sns.it/index.php/annaliscienze/article/view/259.