@misc{Denza_Luigi_(1846-1922)_Biedne,
 author={Denza, Luigi (1846-1922)},
 howpublished={online},
 publisher={Gebethner i Wolff},
 language={ita},
 language={pol},
 type={druk muzyczny},
 title={Biedne róże!},
 title={Poveri fiori!},
}