@misc{Kaczmarek_Sylwester_Approximation,
 author={Kaczmarek, Sylwester and Sac, Maciej},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 title={Approximation of Message Inter-Arrival and Inter-Departure Time Distributions in IMS/NGN Architecture Using Phase-Type Distributions, Journal of Telecommunications and Information Technology, 2013, nr 3},
 type={artykuł},
 keywords={NGN, IMS, phase-type distributions, message inter-departure time distri-butions, message inter-arrival time distributions, traffic model, call processing performance},
}