DANCER, Edward N. On the number of stable positive solutions of weakly nonlinear elliptic equations when the diffusion is small. Topological Methods in Nonlinear Analysis. Online. 25 May 2021. Vol. 59, no. 2A, pp. 467 - 474. [Accessed 14 December 2025]. DOI 10.12775/TMNA.2020.025.