M. RAMZAN; H. M. YOUNUS; S. KHAN; M. RAFIQ. A Note on Proper Homothetic Vector Fields of Reboucus Space-time by Using Lorentzian Manifolds . Sindh University Research Journal - SURJ (Science Series), [S. l.], v. 48, n. 1, 2016. Disponível em: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/4964. Acesso em: 1 sep. 2026.