TY  - BOOK
AU  - Rotman,Joseph J.
TI  - An introduction to homological algebra
T2  - Universitext
SN  - 9780387245270
U1  - 512.55 
PY  - 2009///
CY  - New York
PB  - Springer Science+Business Media
KW  - Algebra, Homological
N1  - Includes bibliographical references and index
ER  -