Your query returned 2 results.

• Preconditioning Based on Aggregation with Inexact Solvers,
  J. Kruis and P. Mayer
  Paper 6 from CCP: 94, ISBN 978-1-905088-41-6 (2010)
  
• Preconditioning of Iterative Methods Based on an Aggregation Algorithm,
  J. Kruis and P. Mayer
  Paper 76 from CCP: 89, ISBN 978-1-905088-26-3 (2008)