Papadimitriou, Christos H., ‘The Complexity of Finding Nash Equilibria’, Algorithmic Game Theory, edited by Tardos, Eva, Noam Nisan, Tim Roughgarden, and Vijay V. Vazirani, Cambridge: Cambridge University Press, 2007, pp 29–52.
book chapter · https://doi.org/10.1017/CBO9780511800481.004