@InProceedings{l06-p793-799,
  AUTHOR	= {Igor Shparlinski and Arne Winterhof},
  TITLE		= {Constructions of Approximately Mutually Unbiased Bases},
  YEAR		= 2006,
  BOOKTITLE	= {Proc.~of the 7th Latin American Symposium on Theoretical Informatics (LATIN'06)},
  ADDRESS	= {Valdivia, Chile},
  PAGES		= {793--799},
  KEYWORDS	= {}}