Wan-Tong Li. Classifications and existence of positive solutions of higher-order nonlinear neutral difference equations. Applied Mathematics and Computation, 152(2):351-366, 2004. [doi]
@article{Li04e, title = {Classifications and existence of positive solutions of higher-order nonlinear neutral difference equations}, author = {Wan-Tong Li}, year = {2004}, doi = {10.1016/S0096-3003(03)00557-5}, url = {http://dx.doi.org/10.1016/S0096-3003(03)00557-5}, tags = {classification}, researchr = {https://researchr.org/publication/Li04e}, cites = {0}, citedby = {0}, journal = {Applied Mathematics and Computation}, volume = {152}, number = {2}, pages = {351-366}, }