%0 Journal Article %A Alexander Kiselev %A Lenya Ryzhik %A Yao Yao %A Andrej Zlato{ลก} %T Finite time singularity for the modified SQG patch equation %J Annals of mathematics %D 2016 %P 909-948 %V 184 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4007/annals.2016.184.3.7/ %R 10.4007/annals.2016.184.3.7 %G en %F 10_4007_annals_2016_184_3_7