@ARTICLE{
author={Du Wei Shih,Feckan Michal,Kostic Marko,Velinov Daniel},
year={2024},
title={β-Ulam-Hyers Stability and Existence of Solutions for Non-Instantaneous Impulsive Fractional Integral Equations},
journal={FRACTAL AND FRACTIONAL},
volume={8},
number={8},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Feckan Michal,Kostic Marko,Velinov Daniel},
year={2023},
title={(<i>ω</i>, <i>ρ</i>)-periodic solutions of abstract integro-differential impulsive equations on Banach space},
journal={INTERNATIONAL JOURNAL OF DYNAMICAL SYSTEMS AND DIFFERENTIAL EQUATIONS},
volume={13},
number={3},
pages={183-196},
document_type={Article},
} 

@ARTICLE{
author={Feckan Michal,Kostic Marko,Velinov Daniel},
year={2023},
title={(?,?)-BVP Solutions of Impulsive Differential Equations of Fractional Order on Banach Spaces},
journal={MATHEMATICS},
volume={11},
number={14},
pages={-},
document_type={Article},
}