Bulatov, A., & Jeavons, P. (2000). Tractable constraints closed under a binary operation. Oxford University Computing Laboratory.
Čikaški stil citiranja (17. izdanje)Bulatov, A., i P. Jeavons. Tractable Constraints Closed Under a Binary Operation. Oxford University Computing Laboratory, 2000.
MLA način citiranja (9. izdanje)Bulatov, A., i P. Jeavons. Tractable Constraints Closed Under a Binary Operation. Oxford University Computing Laboratory, 2000.
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