On the $μ$-parameters of the Petersen graph. - N. N. Davtyan (CoRR, 2013)

An inequality for the number of vertices with an interval spectrum in edge labelings of regular graphs. - N. N. Davtyan; R. R. Kamalian (CoRR, 2013)

Some remarks on relations between the $μ$-parameters of regular graphs. - N. N. Davtyan; R. R. Kamalian (CoRR, 2013)

A necessary and sufficient condition for a graph $G$, which satisfies the equality $μ_{21}(G)=|V(G)|$. - Narine N. Davtyan; Rafayel R. Kamalian (CoRR, 2014)

A Description of the Subgraph Induced at a Labeling of a Graph by the Subset of Vertices with an Interval Spectrum. - Narine N. Davtyan; Arpine Khachatryan; Rafayel R. Kamalian (CoRR, 2014)