Beissen Н.; Toktarbay С.; Alimkulova М.; Yernazarov Т.; Shynggyskhan Н. Numerical Study of the Deflection of a Light Beam Passing through the Magnetosphere of a Magnetar under the Influence of Gravity and Nonlinear Electrodynamics of Vacuum. Rec.Contr.Phys. 2025, 2025, 14-24.