S. Medeiros, Everaldo, Uberlandio B. Severo, and Elves A. B. Silva. “An Elliptic Equation With Indefinite Nonlinearities and Exponential Critical Growth in R2”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 19, no. 2 (June 3, 2019): 473-507. Accessed May 27, 2025. http://20.103.181.36/index.php/annaliscienze/article/view/636.