@misc{Tretiak_Józef_(1841-1923)_Mickiewicz,
 author={Tretiak, Józef (1841-1923)},
 address={Warszawa},
 howpublished={online},
 publisher={E. Wende i Sp.},
 language={pol},
 title={Mickiewicz i Puszkin : studya i szkice},
 type={książka},
}