@misc{PikovskijFeudel1997,
  author    = {Arkadij Pikovskij and Ulrike Feudel},
  title     = {Comment on "Strange nonchaotic attractors in autonomous and periodically driven systems"},
  institution = {Institut f{\"u}r Physik und Astronomie},
  type      = {review},
  year        = {1997},
}