COUILLET, Romain; DEBBAH, Mérouane. Mathematical Foundations of Cognitive Radios. Journal of Telecommunications and Information Technology, Warsaw, Poland, v. 38, n. 4, p. 108–117, 2009. DOI: 10.26636/jtit.2009.4.998. Disponível em: https://www.jtit.pl/jtit/article/view/998. Acesso em: 23 aug. 2026.