A. TARIQ, S. I. A. SHAH and A. ALI (2021) “Ratios of the Ring Class Numbers and Class Numbers of a Real Quadratic Field”, Sindh University Research Journal - SURJ (Science Series), 49(1). Available at: https://sujo.usindh.edu.pk/index.php/SURJ/article/view/3185 (Accessed: 5May2024).