@article{JIS_2014__17_9_a0, author = {Neto, Ant\^onio Francisco}, title = {Higher order derivatives of trigonometric functions, {Stirling} numbers of the second kind, and {Zeon} algebra}, journal = {Journal of integer sequences}, year = {2014}, volume = {17}, number = {9}, zbl = {1358.11044}, language = {en}, url = {http://geodesic.mathdoc.fr/item/JIS_2014__17_9_a0/} }