@misc{Kruk_Łukasz_Second,
 author={Kruk, Łukasz and Lehoczky, John and Shreve, Steven},
 howpublished={online},
 publisher={Wydaw. Uniwersytetu Marii Curie-Skłodowskiej},
 language={eng},
 type={artykuł},
 title={Second order approximation for the customer time in queuedistribution under the FIFO service discipline},
}