{"identifier":"nobleid:/w1/20260521/2CC06FD7","arkIdentifier":"ark:/48914/w1/20260521/2CC06FD7","version":1,"workTitle":"Vorbemerkungen","workType":"Journal Article","authors":"Richard Courant","description":null,"workUrl":null,"existingDoi":"10.1007/978-3-642-61988-5_1","createdAt":"2026-05-21T14:39:22.596305Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260521/2CC06FD7.v1"}