@article{10_21136_MB_2001_134192,
     author = {Zhang, B. G. and Sun, Y. J.},
     title = {Existence of nonoscillatory solutions of a class of nonlinear difference equations with a forced term},
     journal = {Mathematica Bohemica},
     pages = {639--647},
     publisher = {mathdoc},
     volume = {126},
     number = {3},
     year = {2001},
     doi = {10.21136/MB.2001.134192},
     mrnumber = {1970266},
     zbl = {0982.39003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2001.134192/}
}