TY  - BOOK
AU  - Rotman, Joseph J.
TI  - An introduction to algebraic topology
T2  - Graduate texts in mathematics
SN  - 0387966781
U1  - 514.2 
PY  - 1988///
CY  - New York: 
PB  - Springer Verlag, 
KW  - Algebraic
KW  - Math
KW  - Theorem
KW  - Topological notions
ER  -