?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Sevost%E2%80%99yanov%2C+%D0%95.+%D0%90.&rft.aulast=Sevost%E2%80%99yanov&rft.aufirst=%D0%95.+%D0%90.&rft.issue=2&rft.volume=288&rft.date=2025&rft.issn=1072-3374&rft.atitle=On+quasilinear+Beltrami+equations+with+restrictions+on+tangential+dilation&rft.title=Journal+of+Mathematical+Sciences&rft.pages=234-246&rft.genre=article