@article{05688300,
title = {Bell and Stirling numbers for graphs.},
journal = {Journal of Integer Sequences [electronic only]},
volume = {12},
year = {2009},
zbl = {1213.05191},
language = {en},
url = {http://dml.mathdoc.fr/item/05688300}
}
Duncan, Bryce; Peele, Rhodes. Bell and Stirling numbers for graphs.. Journal of Integer Sequences [electronic only], Tome 12 (2009) . http://gdmltest.u-ga.fr/item/05688300/