M. Pradeep, S. Bala. Solution of the Second Order Cauchy Difference Equation On Free Monoid. Journal of Computational Analysis and Applications (JoCAAA) [Internet]. 2024 Sep. 11 [cited 2024 Dec. 19];33(05):60-6. Available from: https://eudoxuspress.com/index.php/pub/article/view/441