Rana, DrPravanjan Kumar, and Bhaskar Mandal. “CONSTRUCTION OF NEW $\Omega$-SPECTRUM AND THEIR APPLICATIONS TO COHOMOLOGY THEORY”. IJRDO -JOURNAL OF MATHEMATICS 9, no. 1 (January 10, 2023): 14-18. Accessed April 19, 2024. https://ijrdo.org/index.php/m/article/view/5337.