Boutarfa, L.
(2016).
 On the performance of the M1,M2/G1,G2/1 retrial queue with pre-emptive resume policy.
<em>Yugoslav Journal Of Operations Research, 25</em>(1).
Retrieved from <a href="https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/477" target="_new">https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/477</a>