Chinenye, Okoroafor. “On the Fixed Point Extension Results in the Differential Systems of Ordinary Differential Equations: On the Fixed Point Extension Results in the Differential Systems of Ordinary Differential Equations”. Asian Journal of Mathematical Sciences(AJMS) 3, no. 2 (August 13, 2019). Accessed April 28, 2024. http://ajms.in/index.php/ajms/article/view/203.