,
ACM
ACM SIGMETRICS Performance Evaluation Review
Efficient flow-scheduling in resource-sharing networks with variable service rate
Stochastics

Verloop, M., Ayesta, U., & Núñez Queija, R. (2009). Heavy-traffic analysis of the M/PH/1 discriminatory processor sharing queue with phase-dependent weights. ACM SIGMETRICS Performance Evaluation Review, 37(2), 42–44.