TY - JOUR AU - Wu, Jiahong TI - Quasi-geostrophic type equations with weak initial data JO - Electronic Journal of Differential Equations PY - 1998 VL - 1998 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a10/ LA - en ID - EJDE_1998__1998__a10 ER -