@misc{G._M._Hamed_Ultraviolet,
 author={G. M. Hamed and M. R. Sanad and A. Essam and S. Yousef},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={Ultraviolet spectral evolution of V1974 Cyg using IUE low resolution spectra},
 type={Հոդված},
 keywords={Astrophysics, Science, Stars},
}