%0 Journal Article %T On classical and quantum mechanical problem of two material points in three-dimensional Lobachevsky space %A Kurochkin, Y.A. %A Shaykovskaya,, N.D. %A Shelkovyy, D.V. %K two-body problem in non-Euclidean space, center of mass, rigid rotator, space of constant curvature %J Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences %D 2023 %N 0 %P 5 %I FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"