An analysis of parton distribution functions of the pion and the kaon with the maximum entropy input Chengdong Han, Gang Xie, Rong Wang and Xurong Chen Eur. Phys. J. C, 81 4 (2021) 302 Published online: 10 April 2021 DOI: 10.1140/epjc/s10052-021-09087-8