@misc{A._R._Petrosian_One,
 author={A. R. Petrosian and V. G. Gurzadyan and M. A. Hendry and E. H. Nikoghossian},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={One arc degree core substructure of the Virgo cluster},
 type={Հոդված},
 keywords={Science, Astrophysics, Galaxy},
}