@article{MaraNoce00a,
  author = 	 {{Marazzi, M.} and {J. Nocedal}},
  title = 	 {Wedge Trust Region Methods for Derivative Free Optimization},
 journal        = MPA,
 volume         = 91, pages = {289-305},
  year = 	 {2002},
  number = 	 {2},
}