@article{01283601, title = {Accomodation of zero-valued characteristic roots in the classical solution expression for linear, homogeneous, constant-coefficient, difference equations.}, journal = {Mathematical Problems in Engineering}, volume = {2}, year = {1996}, pages = {393-400}, doi = {10.1155/S1024123X96000403}, zbl = {0919.39001}, language = {en}, url = {http://dml.mathdoc.fr/item/01283601} }
Johnson, C.D. Accomodation of zero-valued characteristic roots in the classical solution expression for linear, homogeneous, constant-coefficient, difference equations.. Mathematical Problems in Engineering, Tome 2 (1996) pp. 393-400. doi : 10.1155/S1024123X96000403. http://gdmltest.u-ga.fr/item/01283601/