@misc{Rubinštejn_Anton_Grigorʹevič_(1829-1894)_Azra,
 author={Rubinštejn, Anton Grigorʹevič (1829-1894)},
 howpublished={online},
 publisher={Ignacy Rzepecki},
 language={pol},
 language={rus},
 type={druk muzyczny},
 title={Azra},
 keywords={nuty 20 w.},
}