Villa Rosas, Gonzalo. “Commanding and Defining. On Eugenio Bulygin’s Theory of Legal Power-Conferring Rules”. Crítica. Revista Hispanoamericana de Filosofía 49, no. 146 (October 31, 2018): 75–105. Accessed April 4, 2025. https://critica.filosoficas.unam.mx/index.php/critica/article/view/182.