@ARTICLE{
author={Veselic Boban R,Golo G,Milosavljevic Cedomir S},
year={2004},
title={Discrete time sliding mode approach to synchronization of modulated two-phase harmonic oscillator},
journal={ELECTRICAL ENGINEERING},
volume={86},
number={5},
pages={293-298},
document_type={Article},
} 

@ARTICLE{
author={Golo G,Milosavljevic Cedomir S},
year={2000},
title={Robust discrete-time chattering free sliding mode control},
journal={SYSTEMS & CONTROL LETTERS},
volume={41},
number={1},
pages={19-28},
document_type={Article},
}