Periodic and asymptotically periodic solutions of the nonlinear equation Δ2xn + anf(xn) = 0, n ∈ N, are studied.
@article{urn:eudml:doc:41022,
title = {The periodic solutions of the second order nonlinear difference equation.},
journal = {Publicacions Matem\`atiques},
volume = {32},
year = {1988},
pages = {49-56},
zbl = {0649.39005},
mrnumber = {MR0939768},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41022}
}
Musielak, Ryszard; Popenda, Jerzy. The periodic solutions of the second order nonlinear difference equation.. Publicacions Matemàtiques, Tome 32 (1988) pp. 49-56. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41022/