Muratkhan A, Shynggyskhan N, Taukenova A, Dauitkhan K, Orazymbet A. Optical Appearance of Thin Accretion Disks around Quadrupole-Deformed Compact Objects. Rec.Contr.Phys. 2026;97(2):4-17. doi:10.26577/RCPh97220261