@article{apostol:2006:bpf,
    author = {Apostol, Tom M.},
     title = {{B}ernoulli's power-sum formulas revisited},
   journal = {Math. Gaz.},
  fjournal = {The Mathematical Gazette},
    volume = {90},
    number = {518},
      year = {2006},
     pages = {276–279}}