@INPROCEEDINGS{hochartMTNS,
author={Marianne Akian and St\'ephane Gaubert and Antoine Hochart},
title={Fixed Point Sets of Payment-Free Shapley Operators and Structural
Properties of Mean Payoff Games},
booktitle={Proceedings of the 21st International Symposium on
Mathematical Theory of Networks and Systems,
July 7-11, Groningen, The Netherlands},
year=2014,
pages={1438--1441},
ISBN={978-90-367-6321-},
}