TY  - BOOK
AU  - Cohen, M. M.
TI  - A COURSE IN SIMPLE-HOMOTOPY THEORY
U1  - 514.24 
PY  - 1973///
CY  - N. Y.
PB  - Springer-Verlag
KW  - Homotopy Theory
N1  - Bibl. : P. 109-111
ER  -