@ARTICLE{Łabiak_Grzegorz_The_2012,
 author={Łabiak, Grzegorz},
 volume={vol. 58},
 number={No 4},
 journal={International Journal of Electronics and Telecommunications},
 howpublished={online},
 year={2012},
 publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications},
 title={The Problems of Transition Predicates Construction in Hierarchical Concurrent Controllers},
 URL={http://www.czasopisma.pan.pl/Content/87279/PDF/56.pdf},
 doi={10.2478/v10177-012-0056-9},
}