Deo, S. D., and A. A. Qureshi. “Plane Symmetric Space Time With Mesonic Cosmic Strings in Bimetric Relativity”. JOURNAL OF ADVANCES IN MATHEMATICS 9, no. 1 (July 4, 2014): 1879–1883. Accessed July 22, 2024. https://rajpub.com/index.php/jam/article/view/2530.