Concrete mathematics : a foundation for computer science 2026-02-15T09:48:03+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Graham, Ronald Lewis, 1935-; Knuth, Donald Ervin, 1938-; Patashnik, Oren (Addison-Wesley, 2006)