TY  - BOOK
AU  - Freyd,Peter
TI  - Abelian categories: : An introduction to the theory of functors / 
U1  - 512   23
PY  - 1964///]
CY  - New York: 
PB  - Harper & Row, 
KW  - Abelian categories
N1  -  Inlcudes bibliographical references and index
ER  -