?url_ver=Z39.88-2004&rft_id=10.1080%2F02331938908843462&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gilbert%2C+J.-C.&rft.aulast=Gilbert&rft.aufirst=J.-C.&rft.issue=4&rft.volume=20&rft.date=1989&rft.issn=0233-1934&rft.atitle=On+the+local+and+global+convergence+of+a+reduced+Quasi-Newton+method1&rft.title=Optimization&rft.pages=421-450&rft.genre=article