Kishore, G.N.V., B. Srinuvasa Rao, and R. Subba Rao. “Mixed Monotone Property and Tripled Fixed Point Theorems in Partially Ordered Bipolar-Metric Spaces”. Italian Journal of Pure and Applied Mathematics 42 (July 30, 2019): 598–615. Accessed October 27, 2026. https://journals.uniurb.it/index.php/ijpam/article/view/7207.