@misc{Keller_Zenon_(1942-2022)._Red._Pan,
 author={Keller, Zenon (1942-2022). Red. and Gryglewski, Tadeusz (1920-1975). Okł. i ukł. graf.},
 howpublished={online},
 publisher={"Prasa"},
 language={pol},
 type={program teatralny},
 title={Pan Twardowski},
 keywords={balet "Pan Twardowski"},
}