New trends in systems analysis : international symposium, Versailles, December 1976 2026-02-15T19:11:28+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Bensoussan, Alain; Lions, Jacques Louis (Lecture notes in control and information sciences ;, 1977)