?url_ver=Z39.88-2004&rft_id=10.1007%2Fs10288-010-0134-8&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gnecco%2C+Giorgio&rft.aulast=Gnecco&rft.aufirst=Giorgio&rft.date=2011&rft.atitle=Functional+optimization+by+variable-basis+approximation+schemes&rft.title=4OR%3A+A+Quarterly+Journal+of+Operations+Research&rft.issue=1&rft.pages=103-106&rft.volume=9&rft.issn=1619-4500&rft.genre=article