?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Zorboska+Nina&rft.aulast=Zorboska&rft.aufirst=Nina&rft.date=1999&rft.volume=65&rft.issue=1-2&rft.title=Acta+scientiarum+mathematicarum&rft.atitle=Closed+range+essentially+normal+composition+operators+are+normal&rft.issn=0001-6969&rft.pages=287-292&rft.genre=article