@article{JEP_2020__7__1089_0, author = {Blanc, J\'er\'emy and Yasinsky, Egor}, 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 = {http://www.numdam.org/articles/10.5802/jep.136/} }