Exact black hole solutions with a conformally coupled scalar field and dynamic Ricci curvature in f(R) gravity theoriesThanasis Karakasis, Eleftherios Papantonopoulos, Zi-Yu Tang and Bin WangEur. Phys. J. C, 81 10 (2021) 897DOI: https://doi.org/10.1140/epjc/s10052-021-09717-1