TY - JOUR AU - Neto, Antônio Francisco TI - Higher order derivatives of trigonometric functions, Stirling numbers of the second kind, and Zeon algebra JO - Journal of integer sequences PY - 2014 VL - 17 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JIS_2014__17_9_a0/ LA - en ID - JIS_2014__17_9_a0 ER -