?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Jen%C5%91&rft.au=+Egerv%C3%A1ry+Jen%C5%91&rft.aulast=Egerv%C3%A1ry&rft.title=Acta+scientiarum+mathematicarum&rft.issue=1-2&rft.pages=114-118&rft.date=1948&rft.volume=11&rft.atitle=A+remark+on+the+length+of+the+circle+and+on+the+exponential+function&rft.issn=0001-6969&rft.genre=article