Entry Topical Term

Number of records used in: 1

001 - CONTROL NUMBER

• control field: 2560808

003 - CONTROL NUMBER IDENTIFIER

• control field: OSt

005 - DATE AND TIME OF LATEST TRANSACTION

• control field: 20221116161554.0

008 - FIXED-LENGTH DATA ELEMENTS

• fixed length control field: 221116|| 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: Perturbation (Mathematics)

670 ## - SOURCE DATA FOUND

• Source citation: Work cat.: (OSt)8170: Georgescu, Adelina 1333096, Asymptotic treatment of differential equations /, 1995