@article{EJDE_2010__2010__a64,
     author = {Pava, Jaime Angulo and Hakkaev, Sevdzhan},
     title = {Ill-posedness for periodic nonlinear dispersive equations},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2010},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a64/}
}