@misc{Massenet_Jules_(1842-1912)_Elegja,
 author={Massenet, Jules (1842-1912)},
 howpublished={online},
 publisher={[Gustaw Sennewald]},
 language={fre},
 language={pol},
 type={druk muzyczny},
 title={Elegja},
 keywords={nuty 19 w.},
}