Fonseka, Nalin, Amila Muthunayake, Ratnasingham Shivaji, and Byungjae Son. 2021. “Singular Reaction Diffusion Equations Where a Parameter Influences the Reaction Term and the Boundary Conditions”. Topological Methods in Nonlinear Analysis 57 (1):221-42. https://apcz.umk.pl/TMNA/article/view/TMNA.2020.022.