@article{10_4153_CMB_1974_132_8,
     author = {Tanny, Stephen M.},
     title = {On {Some} {Numbers} {Related} to the {Bell} {Numbers}},
     journal = {Canadian mathematical bulletin},
     pages = {733--738},
     year = {1975},
     volume = {17},
     number = {5},
     doi = {10.4153/CMB-1974-132-8},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1974-132-8/}
}