Optimization and optimal control :l. ; proceedings of a conference held at Oberwolfach, March 16-22, 19 2026-02-16T19:21:42+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Auslender, Alfred; Oettli, W. (Werner), 1937-; Stoer, Josef (Springer-Verlag, 1981)