@article{JIS_2004__7_1_a4,
     author = {Wagner, Carl G.},
     title = {Partition statistics and $q${-Bell} numbers $(q=-1)$},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2004__7_1_a4/}
}