@article{kolbig:1972:zir,
    author = {K{\"o}lbig, K. S.},
     title = {Complex zeros of two incomplete {R}iemann zeta functions},
   journal = {Math. Comp.},
    volume = {26},
      year = {1972},
    number = {118},
     pages = {551–565},
   mrclass = {65D20},
  mrnumber = {MR0303686 (46 \#2822)},
     links = {\URL[FullText]{http://links.jstor.org/sici?sici=0025-5718%28197204%2926%3A118%3C551%3ACZOTIR%3E2.0.CO%3B2-Z}},
     zblno = {0259.65052}}