@Article{HlawatschPapandreouBoudreauxBartels99,
  author	= {F. Hlawatsch and A. Papandreou-Suppappola and G. F. Boudreaux-Bartels},
  title		= {The power classes---{Q}uadratic time-frequency representations with scale covariance and dispersive time-shift covariance},
  journal	= {IEEE Trans. Signal Processing},
  year		= {1999},
  month		= {Nov.},
  volume	= {47},
  number	= {11},
  pages		= {3067--3083}
}