@misc{H._M._Tovmassian_The,
 author={H. M. Tovmassian},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 type={Հոդված},
 title={The rotation of galaxy clusters},
 keywords={Astrophysics, Science, Galaxy},
}