?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=0817031003%2C+Herlisa+Anggraini&rft.aulast=0817031003&rft.aufirst=Herlisa+Anggraini&rft.date=3+Februari+2012&rft.atitle=REPRESENTASI+OPERATOR+HILBERT+SCHMIDT+PADA+RUANG+BARISAN&rft.title=Digital+Library&rft.genre=article