M. E. Gnedko, D. N. Oskorbin, E. D. Rodionov, “On conformally Killing vector fields on a 2-symmetric indecomposable Lorentzian manifold”, Izv. Vyssh. Uchebn. Zaved. Mat., 2023, no. 10, 83–89
2.
T. A. Andreeva, D. N. Oskorbin, E. D. Rodionov, “On conformal factor in the conformal Killing equation on the $2$-symmetric five-dimensional indecomposable Lorentzian manifold”, Vladikavkaz. Mat. Zh., 25:3 (2023), 5–14
2019
3.
D. N. Oskorbin, E. D. Rodionov, “Ricci solitons and Killing fields on generalized Cahen–Wallach manifolds”, Sibirsk. Mat. Zh., 60:5 (2019), 1165–1170; Siberian Math. J., 60:5 (2019), 911–915
D. N. Oskorbin, E. D. Rodionov, I. V. Ernst, “On dimension of the space of Killing fields on $k$-symmetric Lorentzian manifolds”, Mathematical notes of NEFU, 26:3 (2019), 47–56