Kaur, J., and H. K. Singh. “On the Existence of Free Action of S<sup>3</sup> On Certain Finitistic Mod P Cohomology Spaces”. The Journal of the Indian Mathematical Society, vol. 82, no. 3-4, Dec. 2015, pp. 97-106, https://informaticsjournals.co.in/index.php/jims/article/view/1685.