Kumar, Pankaj, Pradeep Kumar, and Rahu Yadav. “Properties of Hurwitz Polynomials With Application to Stability Theory”. Journal of Advance Research in Mathematics And Statistics (ISSN 2208-2409) 1, no. 1 (January 31, 2014): 01–04. Accessed May 11, 2024. https://nnpub.org/index.php/MS/article/view/557.