TY  - BOOK
AU  - Gelfand,Sergei i.
AU  - Sergei i.Gelfand
TI  - Methods of homological algebra
SN  - 3540435832
U1  - 512.55 G281M2 
PY  - 2003///
CY  - New York
PB  - Springer-Verlag
KW  - Mathematics
KW  - Algebra
KW  - Homological
KW  - Cohomology
N1  - References:  357-367 p; Index: 369-372 p
ER  -