@article{05695652,
title = {The higher derivatives of the inverse tangent function and rapidly convergent BBP-type formulas for pi.},
journal = {Applied Mathematics E-Notes [electronic only]},
volume = {10},
year = {2010},
pages = {70-75},
zbl = {1187.30027},
language = {en},
url = {http://dml.mathdoc.fr/item/05695652}
}
Adegoke, Kunle; Layeni, Olawanle. The higher derivatives of the inverse tangent function and rapidly convergent BBP-type formulas for pi.. Applied Mathematics E-Notes [electronic only], Tome 10 (2010) pp. 70-75. http://gdmltest.u-ga.fr/item/05695652/