@article{05255154,
title = {Trench's perturbation theorem for dynamic equations.},
journal = {Discrete Dynamics in Nature and Society},
volume = {2007},
year = {2007},
doi = {10.1155/2007/75672},
zbl = {1203.34151},
language = {en},
url = {http://dml.mathdoc.fr/item/05255154}
}
Bohner, Martin; Stević, Stevo. Trench's perturbation theorem for dynamic equations.. Discrete Dynamics in Nature and Society, Tome 2007 (2007) . doi : 10.1155/2007/75672. http://gdmltest.u-ga.fr/item/05255154/