@article{05028405, title = {Second-order }, journal = {Advances in Difference Equations [electronic only]}, volume = {2006}, year = {2006}, doi = {10.1155/ADE/2006/59572}, zbl = {1133.39013}, language = {en}, url = {http://dml.mathdoc.fr/item/05028405} }
Anderson, Douglas R.; Ma, Ruyun. Second-order . Advances in Difference Equations [electronic only], Tome 2006 (2006) . doi : 10.1155/ADE/2006/59572. http://gdmltest.u-ga.fr/item/05028405/