Cohen, D., Creed, P., Jeavons, P., & Živný, S. (2011). An algebraic theory of complexity for valued constraints: Establishing a Galois connection. Springer.
Lua i Stíl Chicago (17ú heag.)Cohen, D., P. Creed, P. Jeavons, agus S. Živný. An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection. Springer, 2011.
Lua MLA (9ú heag.)Cohen, D., et al. An Algebraic Theory of Complexity for Valued Constraints: Establishing a Galois Connection. Springer, 2011.
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