@misc{R._V._Ambartsumian_Book,
 author={R. V. Ambartsumian},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={Book presentation: „A life in Astrophysics“},
 type={Հոդված},
 keywords={Astrophysics, Science},
}