2 citations to https://www.mathnet.ru/rus/tm3474

1. Golubiatnikov A.N., Lyuboshits D.B., “A Cosmological Solution With Acceleration Caused By An Annihilation Shock Wave”, Gravit. Cosmol., 25:2 (2019), 131–137      
2. M. Sharif, Ul Haq Bhatti M. Zaeem, “Dynamics and stability of charged spherical star with tilted and non-tilted congruences”, Mod. Phys. Lett. A, 29:30 (2014), 1450165, 11 pp.