Samuel, F. Paul, T. Gunasekar, and M. Mallika Arjunan. 2013. “CONTROLLABILITY RESULTS FOR SECOND ORDER IMPULSIVE NEUTRAL FUNCTIONAL INTEGRODIFFERENTIAL INCLUSIONS WITH INFINITE DELAY”. Italian Journal of Pure and Applied Mathematics 31 (December):319-32. https://journals.uniurb.it/index.php/ijpam/article/view/6128.