Your query returned 2 results.

• Inexact Jacobian Constraint Preconditioners in Optimization,
  L. Bergamaschi, M. Venturin and G. Zilli
  Paper 34 from CCP: 94, ISBN 978-1-905088-41-6 (2010)
  
• Inexact Constraint Preconditioners for Optimization Problems,
  L. Bergamaschi, M. Venturin and G. Zilli
  Paper 89 from CCP: 84, ISBN 1-905088-11-6 (2006)