288
правок
Изменения
→References
*[E. T.Bell The iterated exponential integers,Annals of Texematics,1938,539–557]
*[http://www.tex.ucsd.edu/~ebender/CombText/ch-11.pdf Bender Edward A.Williamson, S. Gill, Set Partitions, 319–320, 2006]
* [[wikipedia:com:Bells numbers| Bells numbers]]
==Примeчания==
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