Redondo, Johan Manuel, Gerard Olivar Tost, Danny Ibarra-Vega, and Carlos Peña-Rincon. “Saddle-Node Bifurcation in the Dynamic Analysis of a National Energy Market”. Memorias, no. 1 (November 2, 2018): 51–57. Accessed May 6, 2024. https://hemeroteca.unad.edu.co/index.php/memorias/article/view/3066.