@article{1181069685,
author = {Lomont, J.S.},
title = {Formulas for Powers of the Hyperbolic Tangent with an Application to Higher-Order Tangent Numbers},
journal = {Rocky Mountain J. Math.},
volume = {35},
number = {6},
year = {2005},
pages = { 1217-1231},
language = {en},
url = {http://dml.mathdoc.fr/item/1181069685}
}
Lomont, J.S. Formulas for Powers of the Hyperbolic Tangent with an Application to Higher-Order Tangent Numbers. Rocky Mountain J. Math., Tome 35 (2005) no. 6, pp. 1217-1231. http://gdmltest.u-ga.fr/item/1181069685/