Marco Riccardi. The Perfect Number Theorem and Wilson's Theorem. Formalized Mathematics, 17(1-4):123-128, 2009. [doi]
@article{Riccardi09a,
title = {The Perfect Number Theorem and Wilson's Theorem},
author = {Marco Riccardi},
year = {2009},
doi = {10.2478/v10037-009-0013-y},
url = {http://dx.doi.org/10.2478/v10037-009-0013-y},
researchr = {https://researchr.org/publication/Riccardi09a},
cites = {0},
citedby = {0},
journal = {Formalized Mathematics},
volume = {17},
number = {1-4},
pages = {123-128},
}