F. C. V. dos Santos, E. F. da Silva, A. L. de M. Dores, and A. T. de Oliveira, “A study about Fourier series: Mathematical and graphical models and application in electric current and square oscillations”, ijaers, vol. 8, no. 4, Apr. 2021, Accessed: Jul. 22, 2024. [Online]. Available: https://journal-repository.com/index.php/ijaers/article/view/3479