%0 Journal Article %A Casals, Roger %A Murphy, Emmy %A Presas, Francisco %T Geometric criteria for overtwistedness %J Journal of the American Mathematical Society %D 2019 %P 563-604 %V 32 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/jams/917/ %R 10.1090/jams/917 %F 10_1090_jams_917