Enrique Tomás Martínez Beltrán, Mario Quiles Pérez, Pedro Miguel Sánchez Sánchez, Sergio López Bernal, Gérôme Bovet, Manuel Gil Pérez, Gregorio Martínez Pérez, Alberto Huertas Celdrán: Decentralized Federated Learning: Fundamentals, State of the Art, Frameworks, Trends, and Challenges; IEEE, IEEE Communications Surveys & Tutorials, Vol. 1, No. 1, November 2023, pp 1-2. doi:10.1109/COMST.2023.3315746.