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@article{EXMA_2006__15_1_224811, author = {Neuberger, John M.}, title = {Nonlinear elliptic partial difference equations on graphs.}, journal = {Experimental mathematics}, pages = {91--107}, publisher = {mathdoc}, volume = {15}, number = {1}, year = {2006}, zbl = {1160.35412}, language = {en}, url = {http://geodesic.mathdoc.fr/item/EXMA_2006__15_1_224811/} }
Neuberger, John M. Nonlinear elliptic partial difference equations on graphs.. Experimental mathematics, Tome 15 (2006) no. 1, pp. 91-107. http://geodesic.mathdoc.fr/item/EXMA_2006__15_1_224811/