@misc{Rafael_R._Kamalian_Interval,
 author={Rafael R. Kamalian and Petrosyan, Petros},
 howpublished={online},
 publisher={Изд-во НАН РА},
 abstract={A lower bound is obtained for the greatest possible number of colors in an interval colourings of some regular graphs.},
 type={Հոդված},
 title={Interval colourings of some regular graphs},
 keywords={Mathematics, Graph theory},
}