M. David-mitzenmacher, The Power of Two Random Choices in Randomized Load Balancing, 1996.

N. D. Vvedenskaya, F. Roland-l'vovich-dobrushin, and . Karpelevich, Queueing system with selection of the shortest of two queues: An asymptotic approach, Problemy Peredachi Informatsii, vol.32, issue.1, pp.20-34, 1996.

L. Ying, On the approximation error of mean-field models, Proceedings of the 2016 ACM SIGMETRICS International Conference on Measurement and Modeling of Computer Science, pp.285-297, 2016.