@article{EJDE_2007__2007__a299,
     author = {Zhang, Fuxing and Li, Ya},
     title = {Almost periodic solutions for higher-order {Hopfield} neural networks without bounded activation functions},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2007},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a299/}
}