%0 Journal Article %A Gavin D. Brown %A Miles Reid %A Jan Stevens %T Tutorial on Tom and Jerry: the two smoothings of the anticanonical cone over $\mathbb{P}$(1, 2, 3) %J EMS surveys in mathematical sciences %D 2021 %P 25-38 %V 8 %U http://geodesic.mathdoc.fr/articles/10.4171/emss/43/ %R 10.4171/emss/43 %F 10_4171_emss_43