(P1190)
English
Universal Decimal Classification
type of library classification
- UDC
Data type
External identifier
Statements
no value
0 references
\d{1,3}(\.\d{1,3})*
0 references
Constraints
((\=|\-|\`|\(|\(\=|\*|\+|\:{1,2}|\")?\d{1,3}(\.\d{1,3})*(\)|\")?)+
0 references