DE ARAUJO, Anderson L. A., FARIA, Luiz F.O., ALARCÓN, Salomón and ITURRIAGA, Leonelo. On radial solutions for some elliptic equations involving operators with unbounded coefficients in exterior domains. Topological Methods in Nonlinear Analysis. Online. 11 December 2022. Vol. 60, no. 2, pp. 699 - 723. [Accessed 5 February 2026]. DOI 10.12775/TMNA.2022.026.