@Article{Pap_review,
  author	= {A. Papandreou-Suppappola and F. Hlawatsch and G. F. Boudreaux-Bartels},
  title		= {Quadratic time-frequency representations with scale covariance and generalized time-shift covariance: {A} unified framework for the affine, hyperbolic, and power classes},
  journal	= {Digital Signal Processing---A Review Journal},
  year		= {1998},
  month		= {Jan.},
  volume	= {8},
  number	= {1},
  pages		= {3--48}
}