@article{GMJ_1998__5_1_47968,
     author = {Cheng, Sui Sun and Zhang, Guang},
     title = {Monotone solutions of a higher-order neutral difference equation.},
     journal = {Georgian Mathematical Journal},
     pages = {49--54},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1998},
     zbl = {0896.39007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_1998__5_1_47968/}
}