SCHÄFER, W.; BABIARZ, I.; CISEK, A.; SZCZUREK, A. Recent Results on Inclusive Quarkonium Pair Production in Proton-Proton Collisions. Ukrainian Journal of Physics, [S. l.], v. 64, n. 8, p. 750, 2019. DOI: 10.15407/ujpe64.8.750. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019473. Acesso em: 9 dec. 2021.