TY  - BOOK
AU  - Gabriel Peter
AU  - Zisman Michel
TI  - Calculus of fractions and homotopy theory
U1  - 514.24 
PY  - 1967///
CY  - Berlin
PB  - Springer-Verlag
KW  - Calculus
KW  - Homotopy theory
KW  - Topology
ER  -