Amadi, I. U., C. P. N. Ogbogbo, I. Davies, and T. Katsekpor. “A Stochastic Model for the Variation of Fourier Series Expansions With Time Delay Arising in Financial Market Price Changes”. International Journal of Mathematical Sciences and Optimization: Theory and Applications, Vol. 10, no. 3, July 2024, pp. 140 -53, http://ijmso.unilag.edu.ng/article/view/2237.