Sankaran, Paduthol Godan, N. Unnikrishnan Nair, and Preethi John. “Characterizations of a Family of Bivariate Pareto Distributions”. Statistica 75, no. 3 (January 1, 2015): 275–290. Accessed February 4, 2023. https://rivista-statistica.unibo.it/article/view/6099.