M. Pradeep, and S. Bala. “Solutions for Higher Order Cauchy Difference Equation in Free Monoid”. Journal of Computational Analysis and Applications (JoCAAA) 33, no. 05 (September 14, 2024): 261–267. Accessed November 22, 2024. https://eudoxuspress.com/index.php/pub/article/view/497.