Constraints on scalar–tensor theory of gravity by solar system tests P. A. González, Marco Olivares, Eleftherios Papantonopoulos and Yerko Vásquez Eur. Phys. J. C, 80 10 (2020) 981 Published online: 22 October 2020 DOI: 10.1140/epjc/s10052-020-08536-0