?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=+Trofimova+O.+I.&rft.aulast=Trofimova&rft.aufirst=O.+I.&rft.date=1990&rft.title=Dissertationes+slavicae.+sectio+linguistica&rft.atitle=Dva+ustava+kni%C5%BEnogo+%C4%8Dteni%C3%A2+v+drevnej+rusi&rft.volume=21&rft.issn=0237-9554&rft.pages=173-194&rft.genre=article