%0 Journal Article %A Fong, Pascal %T Algebraic subgroups of the group of birational transformations of ruled surfaces %J Épijournal de Géométrie Algébrique %D 2023 %V 7 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.46298/epiga.2023.8734/ %R 10.46298/epiga.2023.8734 %G en %F 10_46298_epiga_2023_8734