Richard Stong. The Average Order of a Permutation. Electr. J. Comb., 5, 1998. [doi]
@article{Stong98, title = {The Average Order of a Permutation}, author = {Richard Stong}, year = {1998}, url = {http://www.combinatorics.org/Volume_5/Abstracts/v5i1r41.html}, researchr = {https://researchr.org/publication/Stong98}, cites = {0}, citedby = {0}, journal = {Electr. J. Comb.}, volume = {5}, }