Optimization and operations research : proceedings of a workshop held at the University of Bonn, October 2-8, 1977 2026-02-15T22:05:24+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Henn, Rudolf; Korte, B. H. (Bernhard H.), 1938-; Oettli, W. (Werner), 1937- (Lecture notes in economics and mathematical systems ;, 1978)