%0 Journal Article %A Li Chen %A Jinhuan Wang %T Exact criterion for global existence and blow up to a degenerate Keller-Segel system %J Documenta mathematica %D 2014 %P 103-120 %V 19 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/441/ %R 10.4171/dm/441 %F 10_4171_dm_441