@article{GraeterWirths2015,
  author    = {Gr{\"a}ter, Joachim and Wirths, Karl-Joachim},
  title     = {On Elementary Bounds for Sigma(infinity)(k=n)k(-s)},
  series = {The American mathematical monthly : an official publication of the Mathematical Association of America},
  volume    = {122},
  journal   = {The American mathematical monthly : an official publication of the Mathematical Association of America},
  number    = {2},
  publisher = {Mathematical Assoc. of America},
  address   = {Washington},
  issn      = {0002-9890},
  doi       = {10.4169/amer.math.monthly.122.02.155},
  pages     = {155 -- 158},
  year      = {2015},
  abstract  = {By means of elementary arguments, we derive lower and upper bounds for the infinite series Sigma(infinity)(k=n)k(-s), s is an element of R and s > 1.},
  language  = {en}
}