Loris-Teghem, J. (1984) “Transient behaviour of the waiting time process in a GI/M/2 queueing system with a different service rate for non-waiting customers”, JORBEL - Belgian Journal of Operations Research, Statistics, and Computer Science, 24(3), pp. 24–29. Available at: https://www.orbel.be/jorbel/index.php/jorbel/article/view/446 (Accessed: 20 May 2024).