?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Yoshimoto+Takeshi&rft.aulast=Yoshimoto&rft.aufirst=Takeshi&rft.title=Acta+scientiarum+mathematicarum&rft.atitle=Multiparameter+Abelian+ergodic+theorems+of+Chacon-B%C3%A1ez-Duarte+type&rft.date=2020&rft.pages=167-182&rft.issn=2064-8316&rft.issue=86&rft.genre=article