[1]
“A Litle Note on the Twisted/warped Product Metrics and the Hopf Conjecture”, GJSFR, vol. 17, no. F6, pp. 39–42, Mar. 2017, Accessed: Feb. 05, 2026. [Online]. Available: https://www.journalofscience.org/index.php/GJSFR/article/view/2121