@article{zagier:1998:mbn,
    author = {Zagier, D.},
     title = {A modified {B}ernoulli number},
   journal = {Nieuw Arch. Wisk. (4)},
  fjournal = {Nieuw Archief voor Wiskunde. Vierde Serie},
    volume = {16},
      year = {1998},
    number = {1-2},
     pages = {63–72},
      issn = {0028-9825},
     coden = {NAWIA7},
   mrclass = {11B68},
  mrnumber = {MR1645260 (99i:11013)},
mrreviewer = {L. Skula},
     zblno = {0964.11015}}