@article{JIS_2011__14_7_a2,
     author = {Sprugnoli,  Renzo},
     title = {Moments of reciprocals of binomial coefficients},
     journal = {Journal of integer sequences},
     year = {2011},
     volume = {14},
     number = {7},
     zbl = {1275.60016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2011__14_7_a2/}
}