Poudel P, Khanal U. Estimation of mass, cosmological constant and Kerr parameter of different galaxies using geodesic motion in Kerr-de Sitter space-time. Sci World [Internet]. 2012 Sep. 20 [cited 2024 Dec. 25];10(10):1-6. Available from: https://nepjol.info./index.php/SW/article/view/6852