@InProceedings{brockett98quantized,
  author = 	 {Roger W. Brockett and Daniel Liberzon},
  title = 	 {Quantized Feedback Systems Perturbed by White Noise},
  booktitle = 	 {Proc. 37th IEEE Conf. Dec. and Control},
  pages = 	 {1327--1328},
  year = 	 {1998},
  address = 	 {Tampa, FL},
  month = 	 {Dec.}
}