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:Bells Bell numbers| Bells Bell numbers]]
==Примeчания==
<references/>
