See at: ISTI Repository | CNR ExploRA
See at: ISTI Repository | CNR ExploRA
See at: CNR ExploRA
See at: arXiv.org e-Print Archive | BIT Numerical Mathematics | Archivio istituzionale della ricerca - Alma Mater Studiorum Università di Bologna | ISTI Repository | BIT Numerical Mathematics | doi.org | link.springer.com | CNR ExploRA
See at: Electronic Transactions on Numerical Analysis | Electronic Transactions on Numerical Analysis | etna.math.kent.edu | ISTI Repository | CNR ExploRA