DUONG, Anh Tuan and NGUYEN, Thi Quynh. A note on positive solutions of Lichnerowicz equations involving the $\Delta_\lambda$-Laplacian. Topological Methods in Nonlinear Analysis. Online. 23 September 2023. Vol. 62, no. 2, pp. 591 - 600. [Accessed 24 December 2025]. DOI 10.12775/TMNA.2022.076.