Kannappan, P., Sahoo, P. and Chung, J. (1994) “An equation associated with the distance between probability distributions”, Annales Mathematicae Silesianae, 8, pp. 39–58. Available at: https://journals.us.edu.pl/index.php/AMSIL/article/view/14216 (Accessed: 5 December 2025).