%0 Journal Article %A Mnguni, N. %A Nyirenda, D. %A Folly-Gbetoula, M. %T Symmetry Lie algebra and exact solutions of some fourth-order difference equations %J Journal of nonlinear sciences and its applications %D 2018 %P 1262-1270 %V 11 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.22436/jnsa.011.11.06/ %R 10.22436/jnsa.011.11.06 %G en %F JNSA_2018_11_11_a5