“Solving the Ivancevic Pricing Model Using the He’s Frecuency Amplitude Formulation”, Eur. J. Pure Appl. Math., vol. 10, no. 4, pp. 631–637, Jul. 2017, Accessed: Feb. 23, 2026. [Online]. Available: https://www.ejpam.com/ejpam/article/view/3065