@article{05242340, title = {Floor and roof function analogs of the Bell numbers.}, journal = {Integers}, volume = {7}, year = {2007}, zbl = {1195.11039}, language = {en}, url = {http://dml.mathdoc.fr/item/05242340} }
Gould, H.W.; Quaintance, Jocelyn. Floor and roof function analogs of the Bell numbers.. Integers, Tome 7 (2007) . http://gdmltest.u-ga.fr/item/05242340/