?url_ver=Z39.88-2004&rft_id=10.1007%2Fs11590-009-0158-1&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Gnecco%2C+Giorgio&rft.aulast=Gnecco&rft.aufirst=Giorgio&rft.issn=1862-4472&rft.volume=4&rft.issue=2&rft.pages=197-210&rft.atitle=Error+bounds+for+suboptimal+solutions+to+kernel+principal+component+analysis&rft.title=Optimization+Letters&rft.date=2010&rft.genre=article