TY  - BOOK
AU  - Pareigis, Bodo
AU  - 
TI  - Categories and functors
U1  - 513.83 
PY  - 1970///
CY  - New York
PB  - Academic Press
KW  - Algebraic geometry
KW  - Geometry
KW  - Algebra co-ordinate geometry
KW  - functors
ER  -