?url_ver=Z39.88-2004&rft_id=10.1016%2F0096-3003(89)90149-5&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ge%2C+R.&rft.aulast=Ge&rft.aufirst=R.&rft.issue=2&rft.volume=30&rft.date=March+1989&rft.issn=00963003&rft.atitle=Optimal+choice+of+linear+interval+extension&rft.title=Applied+Mathematics+and+Computation&rft.pages=165-189&rft.genre=article