@article{MZM_2020_107_2_a10,
     author = {Ph. A. Pushnyakov and A. M. Raigorodskii},
     title = {Estimate of the {Number} of {Edges} in {Special} {Subgraphs} of a {Distance} {Graph}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {286--298},
     publisher = {mathdoc},
     volume = {107},
     number = {2},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_107_2_a10/}
}