@misc{J._L._Sersic_On,
 author={J. L. Sersic},
 address={Երևան},
 howpublished={online},
 publisher={ՀՍՍՀ ԳԱ հրատ․},
 type={Հոդված},
 title={On the formation of galaxies by fragmentation},
 keywords={Astrophysics, Science, Galaxy},
}