Independence numbers and chromatic numbers of some distance graphs. - A. V. Bobu; O. A. Kostina; A. E. Kupriyanov (Probl. Inf. Transm., 2015)

On chromatic numbers of close-to-Kneser distance graphs. - A. V. Bobu; A. E. Kupriyanov (Probl. Inf. Transm., 2016)

On the Number of Edges of a Uniform Hypergraph with a Range of Allowed Intersections. - A. V. Bobu; A. E. Kupriyanov; Andrei M. Raigorodskii (Probl. Inf. Transm., 2017)