@article{05370483, title = {Implications of Spivey's Bell number formula.}, journal = {Journal of Integer Sequences [electronic only]}, volume = {11}, year = {2008}, zbl = {1204.11054}, language = {en}, url = {http://dml.mathdoc.fr/item/05370483} }
Gould, H.W.; Quaintance, Jocelyn. Implications of Spivey's Bell number formula.. Journal of Integer Sequences [electronic only], Tome 11 (2008) . http://gdmltest.u-ga.fr/item/05370483/