@article{1102636166,
author = {Hoffman, Michael E.},
title = {Multiple harmonic series.},
journal = {Pacific J. Math.},
volume = {156},
number = {2},
year = {1992},
pages = { 275-290},
language = {en},
url = {http://dml.mathdoc.fr/item/1102636166}
}
Hoffman, Michael E. Multiple harmonic series.. Pacific J. Math., Tome 156 (1992) no. 2, pp. 275-290. http://gdmltest.u-ga.fr/item/1102636166/