@misc{K._S._Gigoyan_First,
 author={K. S. Gigoyan and H. V. Abrahamyan and M. Azzopardi and D. Russeil},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={First Byurakan spectral sky survey. Stars of late-spectral types. XIII. Zone +1º≤δ≤ +13º},
 type={Հոդված},
 keywords={Astrophysics, Science, Stars},
}