Ohad Perry, Ward Whitt. A Fluid Limit for an Overloaded X Model via a Stochastic Averaging Principle. Math. Oper. Res., 38(2):294-349, 2013. [doi]
@article{PerryW13, title = {A Fluid Limit for an Overloaded X Model via a Stochastic Averaging Principle}, author = {Ohad Perry and Ward Whitt}, year = {2013}, doi = {10.1287/moor.1120.0572}, url = {http://dx.doi.org/10.1287/moor.1120.0572}, researchr = {https://researchr.org/publication/PerryW13}, cites = {0}, citedby = {0}, journal = {Math. Oper. Res.}, volume = {38}, number = {2}, pages = {294-349}, }