On the M/G/1 queueing system with multiclass customers and fixed feedback
张奇支
On the M/G/1 queueing system with multiclass customers and fixed feedback
ZHANG Qi-zhi
Acta Metallurgica Sinica(English letters) . 2008, (2): 114 -121 .  DOI: 1005-8885 (2008) 02-0114-08