SeibertJ. and TrojovskýP. (2003) “On divisibility of the numbers H_n(1), H_n(2) and H_n(3)”, Annales Mathematicae Silesianae, 17, pp. 41-51. Available at: https://www.journals.us.edu.pl/index.php/AMSIL/article/view/14099 (Accessed: 18May2024).