@unpublished{PikovskijZaksFeudeletal.2007,
  author  = {Arkadij Pikovskij and Michael A. Zaks and Ulrike Feudel and J{\"u}rgen Kurths},
  title   = {Singular continuous spectra in dissipative dynamics},
  institution = {Institut f{\"u}r Physik und Astronomie},
  series    = {NLD Preprints},
  number    = {15},
  year    = {2007},
}