@article{EJDE_2009__2009__a149,
     author = {Li,  Dong and Zhang,  Xiaoyi},
     title = {On the rigidity of minimal mass solutions to the focusing mass-critical {NLS} for rough initial data},
     journal = {Electronic journal of differential equations},
     year = {2009},
     volume = {2009},
     zbl = {1177.35222},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a149/}
}