Eziokwu, Emmanuel C. “On the Application of the Fixed Point Theory to the Solution of Systems of Linear Differential Equations to Biological and Physical Problems: On the Application of the Fixed Point Theory to the Solution of Systems of Linear Differential Equations to Biological and Physical Problems”. Asian Journal of Mathematical Sciences(AJMS) 3, no. 1 (July 10, 2019). Accessed April 30, 2025. http://www.ajms.in/index.php/ajms/article/view/192.