@misc{H._Tiersch_Photometry,
 author={H. Tiersch and H. Oleak and Stoll, D. and S. Neizvestny and A. S. Amirkhanian and A. G. Egikian},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={Photometry and spectroscopy of two compact groups of galaxies Sh 354 and Sh 355},
 type={Հոդված},
 keywords={Science, Astrophysics, Galaxy},
}