TANG, E. L.; LIU, C. J.; ZHANG, Y. H. Risk Hedging Logic and Theoretical Boundary of Options and Futures Instruments. Advanced Electromagnetics, [S. l.], v. 15, n. 3, p. 2475–2481, 2026. DOI: 10.7716/aem.v15i3.3301. Disponível em: https://www.aemjournal.org/index.php/AEM/article/view/3301. Acesso em: 17 aug. 2026.