Khot, Subhash (2002), "On the power of unique 2-prover 1-round games", Proceedings of the thirty-fourth annual ACM symposium on Theory of computing, pp. 767–775, doi:10.1145/509907.510017, ISBN 1-58113-495-9
Goemans, Michel X.; Williamson, David P. (1995), "Improved Approximation Algorithms for Maximum Cut and Satisfiability Problems Using Semidefinite Programming", Journal of the ACM, doi:10.1145/227683.227684
Karpinski, Marek; Schudy, Warren (2009), "Linear time approximation schemes for the Gale-Berlekamp game and related minimization problems", Proceedings of the forty-first annual ACM symposium on Theory of computing: 313–322, doi:10.1145/1536414.1536458