@misc{G._A._Saiyan_Integral,
 author={G. A. Saiyan},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={Integral geometric method of morphological investigation of extragalactic systems},
 type={Հոդված},
 keywords={Astrophysics, Science, Galaxy},
}