TY  - JOUR
AU  - Diego Cordoba
TI  - Nonexistence of simple hyperbolic blow-up for the quasi-geostrophic equation
JO  - Annals of mathematics
PY  - 1998
VL  - 148
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM_1998_148_3_a6/
ID  - AM_1998_148_3_a6
ER  -