@article{EJDE_2016__2016__a37,
     author = {Villamizar-Roa, Elder J. and Banquet, Carlos},
     title = {On the {Schr\"odinger} equations with isotropic and anisotropic fourth-order dispersion},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2016},
     year = {2016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2016__2016__a37/}
}