@misc{Boito_Arrigo_(1842-1918)_Mefistofeles,
 author={Boito, Arrigo (1842-1918)},
 address={Lwów},
 howpublished={online},
 publisher={nakł. księgarni Gubrynowicza i Schmidta},
 language={pol},
 language={ita},
 type={broszura},
 title={Mefistofeles : opera w 4 aktach},
 title={Mefistofele},
}