QUINTERO, J. On the existence of positive solutions for a nonlinear elliptic class of equations in R2 and R3. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 20, p. 188–210, 2021. DOI: 10.24297/jam.v20i.9044. Disponível em: https://rajpub.com/index.php/jam/article/view/9044. Acesso em: 26 apr. 2024.