@article{JIS_2011__14_6_a5,
     author = {Oller-Marc\'en, Antonio M. and Grau, Jos\'e Mar{\'\i}a},
     title = {On the base-$b$ expansion of the number of trailing zeros of $b^k$!},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {14},
     number = {6},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2011__14_6_a5/}
}