Observational signatures of Schwarzschild-MOG black holes in scalar-tensor-vector gravity: shadows and rings with different accretionsShiyang Hu, Chen Deng, Dan Li, Xin Wu and Enwei LiangEur. Phys. J. C, 82 10 (2022) 885DOI: https://doi.org/10.1140/epjc/s10052-022-10868-y