Entry Topical Term

Number of records used in: 2

001 - CONTROL NUMBER

• control field: 818090

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20250819111107.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 250819|| aca||aabn | a|a d

040 ## - CATALOGING SOURCE

• Original cataloging agency: OSt
• Transcribing agency: OSt

150 ## - HEADING--TOPICAL TERM

• Topical term or geographic name entry element: Variational methods

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)589469: Hakfman, Robert L. 148445, Dynamics: Systems: variational methods, and relativity, 1962