@article{WaB:02,
  author =	 {F. Wang and V. Balakrishnan},
  title =	 {Improved
Stability Analysis and Gain-Scheduled Controller Synthesis for
Parameter-Dependent Systems},  
  pages = {720-734},
  volume = 47,
  number = 5,
  journal =	 {IEEE Trans.\ Aut.\ Control},
  month = may,
  year = 2002
}