@ARTICLE{
author={Bohner Martin,Stevic Stevo},
year={2009},
title={Linear perturbations of a nonoscillatory second-order dynamic equation},
journal={JOURNAL OF DIFFERENCE EQUATIONS AND APPLICATIONS},
volume={15},
number={11-12},
pages={1211-1221},
document_type={Article},
} 

@ARTICLE{
author={Bohner Martin,Stevic Stevo},
year={2007},
title={Trench's perturbation theorem for dynamic equations},
journal={DISCRETE DYNAMICS IN NATURE AND SOCIETY},
volume={},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Bohner Martin,Stevic Stevo},
year={2007},
title={Asymptotic behavior of second-order dynamic equations},
journal={APPLIED MATHEMATICS AND COMPUTATION},
volume={188},
number={2},
pages={1503-1512},
document_type={Article},
}