TY  - BOOK
AU  - Castellini, Gabriele
TI  - Categorical closure operators
SN  - 9780817642501
SN  - 200304430
U1  - 511.3 CAS 
PY  - 2003///
CY  - Boston
PB  - Birkhauser
KW  - Categories (Mathematics)
KW  - Closure operators
N1  - Includes bibliographical references (p. [279]-288) and index
ER  -