@ARTICLE{
author={Blagojevic Milutin D,Cvetkovic Branislav,Obukhov Yuri N},
year={2017},
title={Generalized plane waves in Poincare gauge theory of gravity},
journal={PHYSICAL REVIEW D},
volume={96},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Hehl FW,Obukhov Yuri N,Rubilar GF,Blagojevic Milutin D},
year={2005},
title={On the theory of the skewon field: from electrodynamics to gravity},
journal={PHYSICS LETTERS A},
volume={347},
number={1-3},
pages={14-24},
document_type={Article},
}