Ivashchuk Vd 1

1. Stability analysis of circular geodesics in dyonic dilatonic black hole spacetimes
2. Photon Sphere for a Dilatonic Dyonic Black Hole in a Model with an Abelian Gauge Field and a Scalar Field
3. Photon Spheres near Black Holes in a Model with an Anisotropic Fluid
4. Photon Spheres near Dilatonic Dyon-Like Black Holes in a Model with Two Abelian Gauge Fields and Two Scalar Fields
5. Quasinormal modes in the field of a dyon-like dilatonic black hole
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