@misc{Gapon_P.A_Oborvannyja,
 author={Gapon, P.A},
 howpublished={online},
 publisher={E. V. Gorbunov'' i Ko.},
 type={druk muzyczny},
 title={Oborvannyja struny : val's''},
 keywords={Walc (fortepian) - 19 w.},
}