?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Roksana+Krystyna&rft.au=+S%C5%82owik+Roksana+Krystyna&rft.aulast=S%C5%82owik&rft.atitle=Decay+of+the+elements+of+the+inverses+of+some+triangular+Toeplitz+matrices&rft.title=Acta+scientiarum+mathematicarum&rft.issue=3-4&rft.pages=541-550&rft.issn=2064-8316&rft.volume=87&rft.date=2021&rft.genre=article