Xu, L. (2008) “He’s homotopy perturbation method for the temperature distribution in convective straight fins with temperature-dependent thermal conductivity”, Topological Methods in Nonlinear Analysis, 31(2), pp. 253–261. Available at: https://apcz.umk.pl/TMNA/article/view/TMNA.2008.016 (Accessed: 16 April 2024).