?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Bogdanovi%C4%87&rft.aufirst=Stojan&rft.au=+Bogdanovi%C4%87+Stojan&rft.volume=44&rft.issn=0001-6969&rft.pages=3-4&rft.title=Acta+scientiarum+mathematicarum&rft.atitle=Bands+of+power+joined+semigroups&rft.date=1982&rft.issue=1-2&rft.genre=article