V. Ramana, G, and G V. S. R. Deekshitulu. “Controllability, Observability and Stability of Volterra Type Non-Linear Matrix Integro-Dynamic System on Time Scales”. International Journal of Engineering & Technology 7, no. 3.31 (August 24, 2018): 115–120. Accessed May 1, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/18278.