참고문헌
- V. Andreijc and M. Tatarevic, Searching for a counterexample to Kurepa's conjecture, arXiv 1409.0800v3, 2015 https://doi.org/10.1090/mcom/3098
- L. H. Gallardo and O. Raharandrainy, Bell numbers modulo a prime number, traces and trinomials, Electron. J. Combin. 21 (2014), no. 4, Paper 4.49, 30 pp.
- D. Kurepa, On the left-factorial function !n, Math. Balkanica 1 (1971), 147-153.
- J.-P. Serre, A Course in Arithmetic, Grad. Texts in Math. 7, Springer, New York, 1973.
- V. Soup, A Computational Introduction to Number Theory and Algebra, Cambridge University Press, 2009.