@article{Royon:20211+, author = "Royon, Christophe", title = "{Comparison of differential elastic cross sections in pp and p ̄p collisions as evidence of the existence of the colourless C-odd three-gluon state}", doi = "10.22323/1.390.0496", journal = "PoS", year = 2021, volume = "ICHEP2020", pages = "496" }