@unpublished{Guthmann1999,
  author  = {Andreas Guthmann},
  title   = {The Riemann-Siegel Integral Formula for Dirichlet Series Associated to Cusp Forms},
  institution = {Fachbereich Mathematik},
  series    = {Preprints (rote Reihe) des Fachbereich Mathematik},
  number    = {287},
  year    = {1999},
  url  = {http://nbn-resolving.de/urn:nbn:de:hbz:386-kluedo-7859},
}