@misc{Naumenko_Victor_Investigation,
 author={Naumenko Victor and Matalytski Mikhail},
 howpublished={online},
 publisher={Wydaw. Politechniki Częstochowskiej},
 language={eng},
 type={czasopismo},
 title={Investigation of networks with positive and negative messages many-lines queueing systems and incomes},
 keywords={G-network, negative messages, many-lines systems, expected incomes, information systems and networks},
}