@article{JEP_2020__7__1089_0,
     author = {J\'er\'emy Blanc and Egor Yasinsky},
     title = {Quotients of groups of birational transformations of cubic del {Pezzo} fibrations},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques},
     pages = {1089--1112},
     publisher = {\'Ecole polytechnique},
     volume = {7},
     year = {2020},
     doi = {10.5802/jep.136},
     language = {en},
     url = {https://jep.centre-mersenne.org/articles/10.5802/jep.136/}
}