TY  - DATA
AU  - Sato, Hajime,
TI  - Algebraic topology: an intuitive approach 
T2  - Translations of Mathematical Monographs, 
SN  - 9781470445973 (online)
PY  - 1999///
CY  - Providence, R.I.
PB  - American Mathematical Society
KW  - Algebraic topology
N1  - Includes bibliographical references (p. 115-116) and index
UR  - https://doi.org/10.1090/mmono/183
ER  -