@article{02214421,
title = {Some results for sums of the inverses of binomial coefficients.},
journal = {Integers},
volume = {5},
year = {2005},
zbl = {1085.11008},
language = {en},
url = {http://dml.mathdoc.fr/item/02214421}
}
Zhao, Feng-Zhen; Wang, Tianming. Some results for sums of the inverses of binomial coefficients.. Integers, Tome 5 (2005) . http://gdmltest.u-ga.fr/item/02214421/