@misc{Felkner_Anna_Two,
 author={Felkner, Anna},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 title={Two Semantics of Trust Management Language with Negation, Journal of Telecommunications and Information Technology, 2013, nr 4},
 type={artykuł},
 keywords={set-theoretic semantics, access control, inference system, Role-based Trust management, monotonicity},
}