?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Sz%C5%B1cs+J%C3%B3zsef+M.&rft.aufirst=J%C3%B3zsef+M.&rft.aulast=Sz%C5%B1cs&rft.title=Acta+scientiarum+mathematicarum&rft.issue=1-2&rft.date=1988&rft.pages=141-144&rft.issn=0001-6969&rft.volume=52&rft.atitle=Normalcy+is+a+superfluous+condition+in+the+definition+of+G-finiteness&rft.genre=article