?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Giorgio&rft.aulast=Gnecco&rft.au=Gnecco%2C+Giorgio&rft.date=2011&rft.title=Functional+optimization+in+OR+problems+with+very+large+numbers+of+variables&rft.genre=proceeding