@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/