Computers and intractability : a guide to the theory of NP-completeness 2026-02-17T09:19:33+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Garey, Michael R.; Johnson, David S., 1945- (A Series of books in the mathematical sciences, 1979)